| Airline | State or territory | Image | IATA | ICAO | Callsign | Hubs and focus cities | Commenced operations | Ceased operations | Notes |
|---|
| D |
| Dailey Aviation | North Carolina | | | | | Jacksonville | 2000 | 2000 | Charter operator[1] |
| DAL Airlines | Texas | | | | | Killeen–Fort Hood | 1966 | 1968 | Merged intoHood Airlines[2] |
| Dallas Express Airlines | Texas | | EX | DXP | DALLAS EXPRESS | Dallas Love Field | 1994 | 1995 | OperatedBeech 1300 Commuter[3] |
| Danbury Airways | Connecticut | | | | | Danbury | 1980 | 1981 | [4] |
| Dash Air | California | | WI | IRV | | Santa Ana | 1981 | 1984 | Established asAir Irvine[5] |
| Data Air Courier | Ohio | | | | | Chicago Midway | 1996 | 1996 | Acquired byAirnet Express. Delivery of documents[6] |
| Davis Air Lines | Georgia | | | | | Atlanta | 1930 | 1930 | OperatedTravel Air aircraft[7] |
| DayJet | Florida |  | | DJS | DAYJET | Boca Raton | 2002 | 2008 | |
| Daylight Air | Ohio | | | | | Willow Run | 1996 | 1998 | [8] |
| Daytona Aviation | Florida | | | | | Daytona Beach | 1962 | 1966 | RenamedTrans-Florida Airlines[9] |
| DB Aviation | Illinois | | | NSH | NORTH SHORE | Waukegan | 1987 | 2010 | Acquired by Landmark Aviation[10] |
| DC Aircraft | Michigan | | | | | Detroit | 1967 | 1967 | Commuter services[11] |
| DeBoer Aviation | Kansas | | | | | Wichita Eisenhower | 1973 | 1975 | Renamed toRyan Aviation[12] |
| Decatur Commuter Airlines | Illinois | | | DAA | DECUR | Decatur | 1980 | 1981 | Acquired byAir Illinois[13] |
| Del Airways | Georgia | | | | | Adel | 1970 | 1971 | [14] |
| Delta Air Service | Alaska | | | | | Emmonak | 1971 | 1993 | Renamed toGrant Aviation[15] |
| Delta Express | Georgia |  | DL | DAL | DELTA | Orlando | 1996 | 2003 | Replaced bySong; folded back intoDelta Air Lines |
| Delta Private Jets | Kentucky |  | | DPJ | JET CARD | Cincinnati | 2001 | 2020 | Merged withWheels Up.[16] |
| Denver Ports of Call | Colorado |  | PC | POC | PAPA CHARLIE | Denver | 1967 | 1992 | Originally anair travel club. Rebranded as Skyworld Airlines |
| Des Moines Flying Service | Iowa | | | | | Des Moines | 1960 | 1968 | [17] |
| Desert Commuter Airlines | California |  | | | | Santa Monica | 1968 | 1970 | |
| Desert Sun Airlines | Arizona |  | | | | Phoenix Sky Harbor | 1995 | 1996 | Merged toAmerica West Express |
| Destination Sun Airways | Florida | | | | | Fort Lauderdale–Hollywood | 1992 | 1993 | [18] |
| Detroit Northern Air Service | Michigan | | | | | Alpena County | 1950 | 1975 | Known asAlpena Flying Service[19] |
| Detroit – Grand Rapids Airline | Michigan | | | | | Dearborn | 1926 | 1926 | OperatedStout 2-AT Pullman[20] |
| Devoe Airlines | Georgia | | | | | Miami | 1981 | 1983 | [21] |
| DHL Airways, Inc. (1979–2004) | Florida | | | | | | 1979 | 2004 | RenamedAstar Air Cargo |
| DHL Airways | Kentucky |  | ER | DHL | | | 1983 | 2003 | Rebranded asAstar Air Cargo |
| Diamond Aviation | | | | SPK | SPARKLE | | 1984 | 1985 | [22] |
| Direct Air | Illinois | | UO | XAP | AIR DIRECT | Chicago Gary | 1980 | 1994 | Reorganized as Northern Star Airlines[23] |
| Direct Air | South Carolina |  | | | | Myrtle Beach | 2006 | 2012 | |
| Direct Airlines | | | | | | New York Kennedy | 1969 | 1969 | [24] |
| Discover Air | Florida | | | DCV | DISCOVER | Orlando Sanford | 1999 | 2003 | [25] |
| Discovery Airlines | New Jersey |  | | | | Trenton–Mercer | 1996 | 2000 | Formed asSky Trek International Air Lines |
| Discovery Airways | Hawaii | | DH | DVA | DISCOVERY AIRWAYS | Honolulu | 1990 | 1990 | |
| Dixie Aircharter | Florida | | | | | Miami | 1982 | 1983 | [26] |
| Dixie Airlines | Utah | | | | | St. George | 1969 | 1972 | Renamed toSkyWest Airlines[27] |
| Dixie Flying Service | Virginia | | | | | Charlottesville–Albemarle | 1930 | 1932 | Renamed toLudington Air Lines[28] |
| Dolphin Airways | Florida | | DV | | FLAGSHIP | Tampa | 1981 | 1984 | Acquired byProvincetown-Boston Airline[29] |
| Dolphin Express Airlines | Florida | | 8U | IXX | ISLAND EXPRESS | Saint Croix | 1994 | 2000 | [30] |
| Dorado Wings | Puerto Rico | | | | | | 1964 | 1982 | ToCrown Air |
| Doug Geeting Aviation | Alaska | | | | | Talkeetna | 1990s | 2006 | Merged intoK2 Aviation[31] |
| Dovair | Delaware | | | | | Delaware Airpark | 1976 | 1977 | Briefly operated asBaltimore Airways[32] |
| Dovair Air Transport | Delaware | | | | | Delaware Airpark | 1967 | 1969 | Air taxi flights[33] |
| Dove One | Florida | | | | | Fort Lauderdale–Hollywood | 1990 | 1999 | Air taxi operator[34] |
| Downeast Airlines | Maine | | | | | Knox County | 1960 | 2007 | Commuter airline[35] |
| Downeast Express | Maine | | E7 | DOW | DOWNEAST EXPRESS | Portland | 1995 | 1997 | Renamed Northeast Airlines[36] |
| Downtown Airlines | New York | | | | | New York Skyports Seaplane Base | 1972 | 1975 | Hourly service operated with float-equippedPiper Aztec[37] |
| Drummond Island Air | Michigan | | | DRE | MICHIGAN | Drummond Island | 1989 | 1991 | Established asMichigan Airways[38] |
| Dynamic International Airways | Pennsylvania |  | 2D | DYA | DYNAMIC AIR | Wayne | 2015 | 2018 | Established asDynamic Airways[39] |
| E |
| Eagle Air International | Nevada | | V9 | VIK | | Las Vegas McCarran | 1969 | 1993 | Rebranded as Eagle Airlines[40] |
| Eagle Airline | Alabama | | | | | Auburn | 1985 | 1986 | OperatedPiper Navajo[41] |
| Eagle Airlines | Kansas | | | | | Kansas City Wheeler | 1930 | 1930 | Scheduled passenger service[42] |
| Eagle Airlines | Nevada |  | V9 | VIK | | Las Vegas McCarran | 1993 | 1997 | Began as Eagle Air International[43] |
| Eagle Canyon Airlines | Nevada | | FE | TLO | TALON | Las Vegas McCarran | 1969 | 1998 | Merged intoScenic Airlines[44] |
| Eagle Commuter Airlines | Texas | | | ECA | EAGLEAIR | Brownwood | 1976 | 1986 | [45] |
| Eagle Jet Charter | Nevada | | | | | Las Vegas McCarran | 1996 | 1998 | Grand Canyon tours[46] |
| Eagle Wings (airline) | |  | | | | | | | |
| East Coast Commuter | Massachusetts | | | | | Boston | 1963 | 1970 | [47] |
| East Hampton Aire | New York | | IN | EHA | AIR HAMPTON | East Hampton | 1978 | 1991 | Operated subservices for Pilgrim Airlines[48] |
| East Texas Airlines | Texas | | | | | Longview | 1950s | | [45] |
| Eastern Air Lines | New York Florida |  | EA | EAL | EASTERN | Miami | 1926 | 1991 | Established asPitcairn Aviation |
| Eastern Air Lines (2015) | Florida |  | | | | Miami | 2015 | 2017 | OperatedBoeing 737[49] |
| Eastern Air Lines Shuttle | Virginia | | | | | New York-LaGuardia | 1961 | 1989 | ToTrump Shuttle |
| Eastern Metro Express | Georgia |  | | EME | EMAIR | Atlanta | 1984 | 1991 | [50] |
| Eastman Airways | New York | | | | | Albany | 1983 | 1984 | Renamed toAir Marc[51] |
| Eastwind Airlines | New Jersey |  | W9 | SGR | STINGER | Trenton, New Jersey | 1995 | 1999 | |
| Economy Airways | |  | | | | | | 1956 | Irregular air carrier grounded byCAB for financial weakness |
| Ed's Aircraft Service | Oklahoma | | | | | | 1972 | 1973 | [52] |
| Edde Airlines | Utah |  | | | | Salt Lake City | 1960 | 1965 | [53] |
| Ede-Aire | Michigan | | DV | | | Detroit Lakes | 1978 | 1981 | Acquired byMesaba Airlines[54] |
| El Paso Transport | Texas | | | | | Big Spring McMahon | 1975 | 1975 | Renamed toTrans Regional Airlines[55] |
| Elan Air | Massachusetts | | | | | Boston | 1980 | 1982 | [56] |
| Elite Airways | Maine |  | 7Q | MNU | MAINER | Portland, MaineVero Beach, Florida | 2014 | 2022 | |
| Ellis Airlines | Alaska | | | | | Ketchikan | 1936 | 1962 | ToAlaska Coastal Airlines |
| Emerald Air | Texas | | OD | EFF | EMERALD | Austin Bergstrom | 1978 | 1991 | Established asEmerald Valley Airlines. ToBraniff International Airlines, Inc. |
| Emery Worldwide Airlines | Ohio |  | EB | EWW | EMERY | Dayton | 1990 | 2001 | renamed from Air Train in 1990[57] |
| Empire Air Lines | Idaho |  | | | | Spokane | 1946 | 1952 | Purchased byWest Coast Airlines |
| Empire Airlines | New York |  | | UR | | Oneida County | 1976 | 1986 | ToPiedmont Airlines |
| Empire Airways | New York | | | JKR | JOKER | Farmingdale | 2004 | 2012 | |
| Empire State Airlines | New York | | | | | Syracuse | 1964 | 1966 | Third level carrier[58] |
| Encompass Aviation | California | | LC | ROM | | Hawthorne Jack Northrop | 2017 | 2019 | Passenger charter carrier[59] |
| Enterprise Airlines | Ohio | | | JSP | JETSPEED | Cincinnati/Northern Kentucky | 1988 | 1990 | Regional carrier connections to theConcorde[60] |
| Eos Airlines | New York |  | E0 | ESS | NEW DAWN | New York Kennedy | 2004 | 2009 | |
| Era Aviation | Alaska |  | 7H | ERH | ERAH | Anchorage | 1948 | 2009 | Formed asEconomy Helicopters, acquired byFrontier Alaska, renamed toEra Alaska nowRavn Alaska |
| Essair | Texas |  | | | | Houston-Hobby | 1939 | 1946 | Renamed toPioneer Air Lines. Legal name of the carrier was Essair, Inc. |
| Eugene Aviation Services | Oregon | | | | | Eugene | 1956 | 1969 | Operated on behalf ofWest Coast Airlines[61] |
| Eureka Aero | California | | | | | Samoa Field | 1970 | 1979 | RenamedAir Pacific (United States) |
| Evergreen International Airlines | Oregon |  | EZ | EIA | EVERGREEN | New York Kennedy | 1975 | 2013 | See alsoEvergreen International Aviation |
| Evergreen International Aviation | Oregon |  | | | | | 1960 | 2014 | Formed as Evergreen Helicopters, see alsoEvergreen International Airlines andIntermountain Aviation |
| Exec Air | New York | | | | | Sullivan County | 1996 | 1999 | Renamed toExec Air of Naples[62] |
| Exec Express | Texas |  | | | | Dallas/Fort Worth | 1984 | 1998 | SeeLone Star Airlines |
| Excellaire | Colorado | | BH | AUS | | Stapleton | 1974 | 1985 | Established as US Aviation. Changed to AIR US in 1977. Became Execellaire in 1984.[63] |
| Execuair | Washington | | | | | Seattle-Tacoma | 1971 | 1977 | Renamed toColumbia Pacific Airlines[64] |
| Executive Air Transport | Michigan | | | | | Muskegon | 1995 | 1995 | Executive charter and cargo carrier[65] |
| Executive Airlines | Florida | | | | | | 1964 | 1971 | [66] |
| Executive Airlines | Massachusetts | | EX | | | Boston | 1967 | 1973 | Established asNational Executive Flight Service[67] |
| Executive Airlines | Massachusetts | | | | | Hanscom Field | 1976 | 1977 | Established asAir Speed[68] |
| Executive Airlines | Puerto Rico | | OW | EGF | EAGLE FLIGHT | San Juan | 1986 | 2013 | Began as Executive Air Charter |
| Executive Airlines | New York | | YL | ORA | | Farmingdale | 1991 | 2003 | Began asLong Island Airlines[69] |
| Executive Airshare | Missouri | | | XSR | | Kansas City Wheeler | 1974 | 2018 | RebrandedAirshare[70] |
| Executive Charter Service | Alaska | | | | | Bethel | 1983 | 1985 | Acquired byUnalakleet Air Taxi[71] |
| Executive Flight Services | Oregon | | | | | Portland | 1961 | 1977 | Renamed toAir Oregon[72] |
| Executive Jet Aviation | Ohio | | | | | Columbus Glenn | 1977 | 1978 | Merged withNewport Aero to formEJA/Newport[73] |
| Executive Jet Aviation | New Jersey | | EJ | EJA | EXECJET | Teterboro | 1965 | 2007 | Established asExecutive Jet Airways[74] |
| Executive Yankee Airlines | Massachusetts | | | | | Pittsfield | 1968 | 1969 | Established asYankee Airlines[75] |
| Express Air | Arizona | | | AAE | ARIZONA | Phoenix Sky Harbor | 1997 | 2001 | [76] |
| Express Airlines I | Tennessee | | 9E | FLG | FLAGSHIP | Memphis | 1995 | 2002 | Renamed toPinnacle Airlines[77] |
| ExpressJet | Georgia |  | EV | ASQ | ACEY | | 1986 | 2022 | Commenced flights in 1987. Ceased flights in 2020 and briefly relaunched asaha! before liquidating in 2022.[78] |
| Express One International | Texas |  | EO | LHN | LONGHORN | Dallas/Fort Worth | 1995 | 2002 | Renamed toPinnacle Airlines thenEndeavor Air[79] |
| Express.Net Airlines | Florida |  | | XNA | EXPRESSNET | Naples | 1972 | 2008 | Formed asTranscontinental Airlines |
| F |
| Fairbanks Air Service | Alaska | | | FAS | FAIRBANKS | Fairbanks | 1946 | 1975 | toGreat Northern Airlines |
| Fairbanks Airplane Company | Alaska | | | | | Fairbanks | 1925 | 1926 | OperatedFokker F.III. Absorbed intoWien Alaska Airways[80] |
| Fairways Corp. | Virginia | | | FWY | | Washington National | 1969 | 1989 | Intrastate carrier[81] |
| Falcon Air Express | Florida |  | F2 | FAO | PANTHER | Miani | 1995 | 2015 | |
| Falcon Airways | Texas |  | | | | Addison | 1971 | 1979 | OperatedCarvair[82] |
| Family Airlines | Nevada |  | | | | Las Vegas McCarran | 1992 | 1992 | Never started operations |
| FAR Airlines | New York | | | | | New York Kennedy | 1968 | 1968 | [83] |
| Farthest North Airplane Company | Alaska | | | | | Fairbanks | 1923 | 1924 | Ben Eielson first flight on aCurtiss Jenny JN-4D took place on 3 July 1923[84] |
| Far West Airlines | California |  | | FRW | | Fresno Yosemite | 1984 | 1984 | Operated two leasedNAMC YS-11[85] |
| Farwest Airlines | Arizona | | | | | Phoenix Sky Harbor | 1999 | 2004 | OperatedDHC Dash 7[86] |
| Federated Airlines | New York | | | | | New York-LaGuardia | 1948 | 1952 | Irregular air carrier.[87] |
| Ferguson Airways | Alaska | | | | | Anchorage | 1949 | 1949 | Acquired byWien Alaska Airlines[88] |
| Ferns Flying Service | New Hampshire | | | | | Concord | 1969 | 1969 | Daily commuter service betweenConcord andBoston[89] |
| Fiesta Airline | | | | FIE | FIESTA | | 1971 | 1973 | [90] |
| Fina Air | Puerto Rico | | | | | San Juan | 2003 | | |
| Finair Express | Florida | | | FNX | FINEX | Miami | 1982 | 1984 | Subcontract carrier forAir Florida Commuter then renamed toSouthern Express[91] |
| Financial Air Express | Michigan | | | | | Pontiac | 1974 | 1974 | Founded byGerald Mercer[92] |
| Fine Air | Florida |  | FB | FBF | FINE AIR | Miami | 1989 | 2002 | ToArrow Air |
| First Air | California | | | | | Los Angeles | 1982 | 1983 | Renamed toRegentair. All-first class service[93] |
| Fischer Brothers Aviation | Ohio |  | GP | GCS | GALION | Galion | 1989 | 2001 | Established asGalion Commuter Service. Became anAllegheny Commuter. Acquired byMidway Airlines and renamed toMidway Commuter[94] |
| Five Star Airlines | Massachusetts | | | FIV | FIVE STAR | | 1985 | 1989 | OperatedL-1011 TriStar[95] |
| Flagship Airlines | Tennessee |  | | | | Nashville | 1991 | 1998 | Formed by the merger ofCommand Airways intoNashville Eagle, merged withSimmons Airlines andWings West Airlines to formAmerican Eagle Airlines |
| Flagship Express Services | Massachusetts | | | FSX | FLAG | | 1991 | 1991 | Established asRosenbalm Aviation[96] |
| Fleet Airways | Minnesota | | | | | Duluth | 1967 | 1968 | Renamed toFleet Airlines[97] |
| Fleetway Airlines | Texas | | | | | Austin Mueller | 1967 | 1969 | [98] |
| Fleming International Airways | | | | | | | 1973 | 1983 | All-cargo carrier. Renamed toCam Air International[99] |
| Flight Alaska | Alaska | | 4Y | UYA | | Bethel | 2000 | 2004 | Established asYute Air Alaska. Renamed toYute Air[100] |
| Flight Express | | | | EXR | FLIGHT EXPRESS | | 1985 | 2013 | Established asChapman Air[101] |
| Flight International Airlines | Georgia | | | FIV | FLIGHT INTERNATIONAL | Atlanta | 1984 | 1987 | [102] |
| Flight Line | Missouri | | | FLN | FAST LINE | Cape Girardeau | 1985 | 1986 | Renamed toSouthern Airways[103] |
| Flight Operations | Ohio | | | FOI | | Cleveland Hopkins | 1979 | 1979 | Charter carrier. Acquired byCrow Executive Air[104] |
| Flight Options | New York |  | | OPT | OPTIONS | Greater Binghamton | 1999 | 1999 | [105] |
| Flight Service | New York | | | | | Syracuse | 1953 | 1964 | Third level carrier[106] |
| Flightways Aviation System | Pennsylvania | | | | | Philadelphia | 1974 | 1975 | Commuter services[107] |
| Florence Airlines | South Carolina | | | | | Florence | 1974 | 1975 | Established asAir Taxi[108] |
| Florida Air Lines | Florida | | | | | Sarasota-Bradenton | 1969 | 1981 | Established asFlorida Air Taxi. BecameSouthern International Airways. OperatedDC-3,Cessna 402[109] |
| Florida Air Taxi | Florida | | | | | Tampa | 1964 | 1968 | Renamed toFlorida Airlines[110] |
| Florida Aircraft Leasing | Florida |  | | | | | | | |
| Florida Airlines | Florida |  | FE | | | Tampa | 1960 | 1981 | |
| Florida Airmotive | Florida | | | | | Lantana | 1940 | 1940 | Charter carrier[111] |
| Florida Airways | Florida |  | | | | Miami | 1923 | 1927 | |
| Florida Airways | Florida | | | | | Orlando | 1947 | 1949 | local service airline, originallyOrlando Airlines[112] |
| Florida Atlantic Airlines | Florida | | | | | Fort Lauderdale | 1968 | 1970 | [113] |
| Florida Coastal Airlines | Florida | | PA | FCL | FLORIDA COASTAL | Fort Lauderdale-Hollywood | 1995 | 2010 | |
| Florida Commuter Airlines | Florida | | | FCA | | Palm Beach | 1980 | 1981 | ToSouthern Airways |
| Florida Express | Florida | | ZO | FLX | FLEXAIR | Orlando | 1983 | 1988 | Merged intoBraniff (1983–1990) |
| Florida West Airlines | Florida |  | HG | FWL | FLO WEST | Miami | 1989 | 1995 | Acquired byFlorida West International Airways[114] |
| Florida West International Airways | Florida |  | RF | FWL | FLO WEST | Miami | 1981 | 2017 | |
| FloridaGulf Airlines | Florida | | | | | Tampa | 1991 | 1997 | Merged intoAir Midwest |
| Fly First Class | | | F3 | SGB | SONGBIRD | | 2008 | 2008 | [115] |
| Fly Guam | Guam |  | | | | Guam | 2008 | 2012 | |
| FlyHawaii Airlines | Hawaii | | | | | Honolulu | 2005 | 2005 | Never started operations |
| Flying Fox Services | | | | | | | 1929 | 1929 | Acquired byDelta Air Service[116] |
| Flying Tiger Air Services | | | | | | Tokyo Narita | 1966 | 1967 | Branch ofFlying Tiger Lines. Contract toMilitary Airlift Command[117] |
| Flying Tiger Line | California |  | FT | FTL | TIGER | Los Angeles | 1945 | 1989 | Merged intoFedEx Express |
| Flying W Airways | New Jersey | | | | | Medford, New Jersey | 1967 | 1972 | uncertificated carrier |
| Focus Air Cargo | Florida |  | F2 | FKS | FOCUS | Fort Lauderdale | 2004 | 2008 | |
| Folsom's Air Service | Maine | | | | | Greenville | 1989 | 2006 | Charter carrier[118] |
| Fontana Aviation | Michigan | | | | | Iron Mountain | 1967 | 1977 | Third-level services[119] |
| Ford Air Transport Service | Illinois | | | | | Detroit | 1925 | 1932 | Merged withStout Air Service[120] |
| Forde-Aire | | | | SQH | SUSQUEHANNA | | 1978 | 1979 | Renamed toSusquehanna Airways[121] |
| Fort Collins Flying Service | Colorado | | | | | Denver | 1980 | 1981 | Established asValley Airpark. Acquired byAir Link Corporation[122] |
| Fort Vancouver Airlines | Washington | | | | | Vancouver | 1979 | 1981 | Commuter carrier.PATCO strike caused the closing.[123] |
| Fort Wayne Air Service | Indiana | | | | | Fort Wayne | 1963 | 1967 | Scheduled air taxi services to Detroit[124] |
| Fort Worth Airlines | Texas | | | FTW | FORT WORTH AIR | Fort Worth Meacham | 1984 | 1985 | Went bankrupt[125] |
| Foster Aviation | Alaska | | | FSA | FOSTER-AIR | Nome | 1973 | 1984 | Was anFBO operator by Neal Foster[126] |
| Four Star Air Cargo | Puerto Rico |  | HK | FSC | FOUR STAR | San Juan | 1982 | 2009 | Started in theUnited States Virgin Islands |
| Fox Cities Airlines | Wisconsin | | | | | | 1963 | 1965 | Operatedde Havilland Dove. Merged intoAir Wisconsin[127] |
| Frank Martz Coach Co. | New York | | | | | Buffalo Niagara | 1929 | 1930 | Renamed toMartz Air Lines[128] |
| Freedom Airlines | Ohio | | DN | | LIBERTY | Cleveland Hopkins | 1980 | 1984 | Subsidiary of Red Dodge Aviation[129] |
| Freedom Airlines | Texas | | F8 | FRL | FREEDOM AIR | Cincinnati/Northern Kentucky | 2002 | 2010 | Shut down by parent company |
| Freelandia | | | | | | Newark Liberty | 1973 | 1974 | |
| Friedkin Airlines | California |  | | | | San Diego | 1948 | 1948 | [130] |
| Friendship Air Alaska | Alaska | | 4H | FAL | FRIENDSHIP | Fairbanks | 1986 | 1989 | Established asHarold's Air Service. Resumed asTanana Air Service in 1992[131] |
| Fromhagen Aviation | Florida | | | | | St. Pete-Clearwater | 1969 | 1998 | [132] |
| Frontier Airlines | Colorado |  | FL | FTA | FRONTIER | Denver | 1950 | 1986 | Went bankrupt; some operations absorbed byContinental Airlines |
| Frontier Alaska | Alaska | | | | | Anchorage | 2008 | 2014 | [133] |
| Frontier Express | Wisconsin |  | | | | Milwaukee Mitchell | 2011 | 2013 | Operated byChautauqua Airlines[134] |
| Frontier Flying Service | Alaska | | | | | Fairbanks | 1950 | 2014 | |
| Frontier Horizon Airlines | Colorado |  | FL | FLH | MILE HIGH | Denver Stapleton | 1983 | 1986 | |
| Funair | Florida | | | | | Miami | 1996 | 2001 | Operated forCarnival Cruise Lines[135] |
| Funworld International Airways | Florida | | | | | Miami | 1993 | 1994 | OperatedBoeing 727-200[136] |
| Futura Air Lines | California | | | | | Oakland | 1962 | 1962 | [137] |
| G |
| Galaxy Airlines | Tennessee | | | | | Cleveland Hopkins | 1968 | 1969 | Commuter services. OperatedDouglas DC-3[138] |
| Galaxy Airlines | Florida | | 9G | GAL | GALAXY | Fort Lauderdale | 1978 | 1987 | |
| Galena Air Service | Alaska | | | GAS | GALENA AIR SERVICE | Galena | 1968 | 1989 | Acquired byMarkAir Express[139] |
| Gateway Aviation | Wisconsin | | | | | La Crosse | 1968 | 1969 | Renamed toMississippi Valley Airways[140] |
| Gem State Airlines | Idaho |  | GS | | | Coeur d'Alene | 1978 | 1980 | Merged withAir Pacific (United States) to becomeGolden Gate Airlines |
| Gemini Air Cargo | Minnesota |  | GR | GCO | GEMINI | Miami | 1995 | 2008 | |
| General Air Lines | | | | | | San Diego | 1934 | 1934 | Renamed toWestern Air Express[141] |
| General Airlines | Pennsylvania | | | | | | 1978 | 1979 | Established asGeneral Aviation Service[142] |
| General Aviation | Tennessee | | | GNL | GENERAL | | 1979 | 1988 | Affiliate ofOrion Air, becameKitty Hawk Air Cargo |
| Genavco Air Cargo | Hawaii | | | | | | 1972 | 2003 | toKamaka Air |
| Geo Air | Florida |  | | | | | 1995 | 2008 | |
| Georgia Air | Georgia | | | | | Atlanta | 1970 | 1972 | [143] |
| Georgia Air Freight | Georgia | | GS | | | Atlanta | 1978 | 1979 | [144] |
| Georgia Skies | Georgia |  | LI | NMI | TSUNAMI | Atlanta | 2008 | 2013 | APacific Wings subsidiary |
| GID Air Services | Texas | | | | | Fort Worth Meacham | 1982 | 1986 | OperatedCV-580[145] |
| Gillam Airways | Alaska | | | | | Valdez | 1932 | 1932 | [146] |
| Gilley Airways | New York | | | | | Glens Falls | 1961 | 1979 | All-cargo commuter[147] |
| Gilpin Air Lines | California | | | | | Los Angeles | 1931 | 1934 | Renamed toC&G Air Lines[148] |
| GLO Airlines | Louisiana |  | | | | New Orleans | 2015 | 2017 | [149] |
| Global International Airways | Missouri |  | GX | GAX | GLOBAL | Kansas City | 1978 | 1985 | Formercommercial operator started to transport cattle |
| Globe Air | Arizona | | | | | New Orleans | 1981 | 1985 | Operating name of Aircraft Specialities ofMesa Airlines[150] |
| Globe Freight Airline | | | | | | | 1945 | 1948 | [151] |
| go! | Hawaii |  | YV | ASH | AIR SHUTTLE | Honolulu | 2006 | 2014 | |
| Go! Mokulele | Hawaii |  | | | | Honolulu | 2009 | 2012 | |
| Go Transportation | | | | | | | 1971 | 1977 | Established asRon Clark Enterprises. Renamed toGo Air[152] |
| Gold Coast Air | California | | | GMR | EXPEDITOR | Los Angeles | 1981 | 1982 | [153] |
| Gold Coast Air Taxi | Florida | | | | | Miami | 1966 | 1967 | Renamed toGold Coast Airways[154] |
| Gold Coast Airways | Florida | | | | | Miami | 1967 | 1969 | Acquired byExecutive Airlines[155] |
| Golden Airlines | | | | GDD | GOLDEN AIRLINES | | 1999 | 1999 | [156] |
| Golden Airways | | | | | | | 1980 | 1983 | Established asAncar Aviation[157] |
| Golden Carriage Air | | | | | | | 1979 | 1980 | [158] |
| Golden Eagle Airlines | | | | GEL | GOLDEN EAGLE | | 1978 | 1979 | Absorbed byWestAir Airlines[159] |
| Golden Gate Airlines | California |  | GG | | | Monterey | 1980 | 1981 | Merged withSwift Aire Lines |
| Golden Gate Airways | California | | | | | San Francisco | 1960 | 1962 | [160] |
| Golden Isles Airlines | Georgia | | | | | McKinnon St. Simons Island | 1960 | 1960 | Operatedde Havilland Dove[161] |
| Golden North Airways | Alaska | | | | | | 1947 | 1949 | OperatedC-46[162] |
| Golden Nugget Aviation | | | | | | | 1982 | 2001 | [163] |
| Golden Pacific Airlines | California |  | | | | San Francisco | 1969 | 1973 | |
| Golden Pacific Airlines | Arizona | | YB | GPA | GOLD PAC | Kingman | 1981 | 1989 | |
| Golden South Airlines | Florida | | | | | Fort Pierce | 1979 | 1979 | [164] |
| Golden State Airlines | California | | | | | Burbank | 1951 | 1952 | Californiaintrastate airline | Golden State Airlines | California |  | | | | | 1955 | 1987 | [165] |
| Golden State Airlines | Arizona | | | GSC | GOLDEN STATE | Santa Ana | 1979 | 1985 | [166] |
| Golden Valley Aero | | | | | | | 1982 | 1982 | [167] |
| Golden West Airlines | California |  | GW | GWA | GOLDEN WEST | Long Beach | 1967 | 1983 | |
| Golden West Airlines | California | | | | | Van Nuys | 1968 | 1969 | [168] |
| Gopher Airlines | | | | | | | 1968 | 1968 | [169] |
| Gopher Aviation | | | | | | | 1959 | 1959 | [170] |
| Gordon Air | | | | | | | 1984 | 2000 | Founded by John Gordon. Renamed toUltimate Jetcharters[171] |
| Gorst Air Transport | Washington | | | | | Seattle Lake Union Seaplane Base | 1929 | 1935 | Founded by Vern C. Gorst[172] |
| GP Express Airlines | Nebraska | | | GPE | REGIONAL EXPRESS | Grand Island | 1975 | 1996 | |
| Graham Airways | Alaska | | | | | | 1932 | 1935 | [173] |
| Grand Aire Express | Ohio |  | | GAE | GRAND EXPRESS | Toledo Express | 1985 | 2003 | |
| Grand Airways | Nevada |  | QD | GNV | GRAND VEGAS | Las Vegas McCarran | 1980 | 1996 | |
| Grand Forks Airmotive | North Dakota | | | | | Grand Forks | 1975 | 1975 | Scheduled airmail carrier[174] |
| Grand Valley Aviation | Idaho | | | | | Driggs–Reed | 1992 | 1995 | Charters and scenic flights[175] |
| Gray Line Air | New York |  | WS | WSA | | Niagara Falls | 1994 | 1995 | [176] |
| Great American Airways | Nevada |  | MV | GRA | GREAT AMERICAN | Reno–Tahoe | 1979 | 1997 | |
| Great Arctic Airways | Alaska | | | | | Fairbanks | 1996 | 1996 | OperatedATL-98 Carvair[177] |
| Great Lakes Airlines | California | | | | | Burbank | 1946 | 1961 | Supplemental air carrier, shut down in 1961 byCAB forcombine activity |
| Great Lakes Airlines | Wyoming |  | ZK | GLA | LAKES AIR | Cheyenne | 1979 | 2018 | FormerlySpirit Lake Airways |
| Great Lakes Commuter | Michigan | | | | | Traverse City | 1972 | 1974 | Acquired bySkystream Airlines[178] |
| Great Northern Airlines | Alaska | | OU | GNA | GREAT NORTHERN | Anchorage | 1975 | 1980 | Established asFairbanks Air Service as anintrastate airline. Merged intoAlaska International Air. |
| Great Plains Airlines | | | ZN | | | | 1977 | 1979 | Established asTrinity Airlines[179] |
| Great Plains Airlines | Oklahoma |  | ZO | OZR | OZARK | Oklahoma City Rogers | 2001 | 2004 | |
| Great Planes Express | Kansas | | | | | Augusta | 1995 | 1995 | [180] |
| Great Sierra Airlines | California | | | | | Lake Tahoe | 1980 | 1981 | [181] |
| Great Southern Airways | Florida | | | | | Miami | 1988 | 1989 | Cargo carrier[182] |
| Great Western Air | | | | GWA | G-W AIR | | 1994 | 1994 | [183] |
| Great Western Airlines | Oklahoma | | DQ | GWS | GREAT WESTERN | | 1975 | 1979 | Scheduled mail and freight services operatingBeech 18[184] |
| Great Western Aviation | South Dakota | | | | | Sioux Fall | 1990 | 1990 | OperatedCessna P210R[185] |
| Greater Pacific Airways | California | | | | | Los Angeles | 1982 | 1988 | OperatedEmbraer Bandeirante. Renamed toAir LA[186] |
| Greatland Air Cargo | Alaska | | | | | Anchorage | 1995 | 2001 | OperatedDHC-4 Caribou[187] |
| Green Bay Aviation | Wisconsin | | HE | GBA | | Green Bay–Austin Straubel | 1965 | 1981 | [188] |
| Green Hills Aviation | | | | GRH | GREEN HILLS | | 1978 | 1987 | [189] |
| Green Mountain Airlines | New York | | | | | New York-LaGuardia | 1979 | 1980 | OperatedCessna 402[190] |
| Greenbriar Airlines | West Virginia | | | | | Greenbrier | 1939 | 1969 | Commuter carrier. OperatedCessna 172[191] |
| Grey Goose Air Lines | Illinois | | | | | Chicago Midway | 1928 | 1929 | Sightseeing service. OperatedFord Trimotor[192] |
| Grognet Flying Service | Michigan | | | | | Houghton | 1973 | 1975 | Summer schedule service toIsle Royale[193] |
| Gross Aviation | Washington | | | | | Tacoma Narrows | 1972 | 1974 | Air taxi operator[194] |
| Gulf Air International | Florida | | | | | Arcadia | 1979 | 1989 | Renamed toTrans Ocean Airways[195] |
| Gulf Air Transport | Louisiana |  | QG | GAT | GULFTRANS | New Iberia | 1979 | 1989 | Renamed toTrans Ocean Airways |
| Gulf and Caribbean Cargo | | | 8G | TSU | | | 2004 | 2009 | [196] |
| Gulf Central Airlines | Florida | | BJ | GCN | GULF CENTRAL | Melbourne Orlando | 1981 | 1984 | Established asDevoe Airlines[197] |
| Gulf Coast Airlines | Mississippi | | | GFC | GULF COAST | Gulfport | 1971 | 1975 | Renamed toCoastal Airways[198] |
| Gulfstream Airlines | | | | GFS | GULFSTAR | | 1971 | 1975 | [199] |
| Gulfstream International Airlines | Florida |  | 3M | GFT | GULF FLIGHT | Fort Lauderdale–Hollywood | 1990 | 2010 | NowSilver Airways |
| Gulkana Air Service | Alaska | | | | | Gulkana | 1963 | 1997 | OperatedCessna 185 Skywagon,Cessna 206,Cessna 402[200] |
| Gull Air | Massachusetts | | JI | | | Hyannis | 1975 | 1987 | Founded by Robert Welch[201] |
| Gull Air | Florida | | | GUL | GULL-AIR | Miami | 1982 | 1987 | Was anAir Florida Commuter[202] |
| Guy-America Airways | New York | | GK | GAM | GUY AMERICA | New York Kennedy | 1981 | 1984 | See alsoAmerican Overseas Airlines |
| H |
| H & D Aviation | Indiana | | | | | Terre Haute | 1980 | 1981 | Renamed toTerre Haute Air Commuter[203] |
| Hageland Aviation Services | Alaska |  | H6 | HAG | HAGELAND | Anchorage | 1981 | 2008 | Merged withFrontier Alaska |
| Hagerty’s Air Transportation | North Carolina | | | | | Charlotte | 1984 | 1984 | Merged intoSunbird Airlines[204] |
| Haines Airways | Alaska | | 7A | | | Haines | 1986 | 2000 | Founded byReg Radcliffe. OperatedPiper PA-32[205] |
| Hammonds Air Service | Louisiana | | | | | Houma–Terrebonne | 1977 | 1985 | OperatedPiper Navajo,Twin Otter[206] |
| Hampton Air Service | New York | | | | | East Hampton | 1936 | 1937 | OperatedStinson Reliant[207] |
| Hanford Airlines | Iowa | | | | | Sioux City | 1937 | 1937 | Established asHanford Tri-State Airlines[208] |
| Happy Hours Air Travel Club | Florida | | | | | Miami | 1973 | 1973 | Air travel club founded byJames Ruscoe. OperatedLockheed L-1049 Super Constellation[209] |
| Harbor Airlines | Washington | | HB | HAR | HARBOR | Seattle–Tacoma | 1971 | 2001 | |
| Harold's Air Service | Alaska | | | HAS | HAROLDS | Fairbanks | 1974 | 1986 | Renamed toFriendship Air Alaska[210] |
| Harrisburg Commuter | Pennsylvania | | | | | Harrisburg | 1965 | 1970 | Renamed toPennsylvania Commuter Airlines[211] |
| Hartford Airlines | Connecticut | | | | | Robertson Field | 1966 | 1966 | OperatedAero Commander 500[212] |
| Hartzog Schneck Aviation | Illinois | | | | | Chicago Rockford | 1966 | 1969 | OperatedBeechcraft King Air[213] |
| HATS Hawaiian Air Tour Service | Hawaii | | | | | Honolulu | 1946 | 1950 | OperatedBeechcraft D-18[214] |
| HATS Hawaiian Air Tour Service | Hawaii | | | RES | RESORT | Honolulu | 1953 | 1979 | AbsorbedResort Airways in 1967. Operatedde Havilland Dove[215] |
| Havasu Airlines | Arizona | | HW | HCA | HAVASU | Lake Havasu City | 1963 | 1987 | Subsidiary ofNicholson Air Service andCumberland Airlines[216] |
| Hawaii Express | Hawaii | | | | | Honolulu | 1982 | 1984 | [217] |
| Hawaii Island Hoppers | Hawaii | | | | | Honolulu | 1992 | 1992 | Scenic tours[218] |
| Hawaii Jet-Aire | Hawaii | | | | | Honolulu | 1968 | 1968 | Third level services. OperatedTwin Otter[219] |
| Hawaii Pacific Air | Hawaii | | | | | Honolulu | 1973 | 1995 | OperatedCarvair[220] |
| Hawaiian Airventures | Hawaii | | | | | Keahole | 1992 | 1992 | Scenic tours[221] |
| Hawaiian Pacific Airlines | Hawaii | | HP | | | Los Angeles | 1992 | 1992 | Established asAlii Air Hawaii[222] |
| Hawkeye Airlines | Iowa | | | | | Ottumwa | 1974 | 1974 | OperatedDC-3[223] |
| Hawkaire | North Carolina | | | HKI | HAWKEYE | Charlotte Douglas | 1991 | 2009 | [224] |
| Hawkins and Powers Aviation | Wyoming |  | | | | Greybull | 1989 | 2006 | Aerial firefighting. OperatedConsolidated PB4Y-2 Privateer andFairchild C-119 Flying Boxcar[225] |
| Hawthorne Nevada Airlines | California |  | | | | Hawthorne | 1963 | 1970 | Renamed to Air Nevada |
| Heartland Airlines | Ohio | | | | | Dayton | 1998 | 2001 | Never started operations |
| Helicopter Air Service | Delaware | | | | | | 1949 | 1956 | Renamed toChicago Helicopter Airways[226] |
| Hemet Valley Flying Services | California |  | | | | Hemet-Ryan | 1946 | 1997 | Aerial firefighting. OperatedBoeing KC-97L,PBY Catalina,C-119C[227] |
| Hemisphere Air Transport | | | | | | | 1950 | 1957 | A member carrier ofNorth American Airlines |
| Henry's Charter Air Service | Kansas | | | | | Concordia | 1965 | 1968 | OperatedCessna 337 andCessna 210[228] |
| Hensley Flying Service | Montana | | | | | Havre | 1944 | 1978 | [229] |
| Henson Airlines | Maryland |  | PI | HNA | | Charlotte Douglas | 1962 | 1993 | Rebranded asPiedmont Airlines |
| Henson Aviation | | | | HNA | HENSON | | 1967 | 1979 | [230] |
| Hermens Air | Alaska | | 2E | HRM | HERMENS | Bethel | 1974 | 1987 | Bought byMarkAir , becameMarkAir Express. |
| Heussler Air | Pennsylvania | | | HUS | HEUSSLER | Erie | 1977 | 1994 | Air taxi[231] |
| Hoganair | Ohio | | | HGA | HOGAN AIR | Middletown | 1989 | 1998 | Renamed toMiami Valley Aviation[232] |
| Holiday Airlines | California | | | | | Oakland | 1956 | 1956 | Operatedde Havilland Dove[233] |
| Holiday Airlines | California |  | HD | HD | HOLIDAY | Lake Tahoe | 1965 | 1975 | intrastate airline that operatedElectra. Founder was co-founder ofParadise Airlines |
| Holiday Airlines | New York | | | | | Sullivan County | 1970 | 1970 | Known asCatskill Holiday Airlines. OperatedBeech 99[234] |
| Holiday Airlines | New Jersey | | | | | Newark | 1979 | 1989 | Owned subsidiary ofClinton Industries[235] |
| Holiday Airlines | California | | | | | Orange County | 1988 | 1990 | Renamed to Pacific Coast Airline[236] |
| Holiday Ways | California | | | | | Ontario | 1988 | 1990 | OperatedBeech 18[237] |
| Hood Airlines | Texas | | | | | Killeen–Fort Hood | 1964 | 1970 | Acquired byRio Airways. OperatedBeech 99[238] |
| Hooters Air | South Carolina |  | H1 | | | Myrtle Beach | 2003 | 2006 | Shut down by parent company |
| Hop-A-Jet | | | | HPJ | HOPA-JET | | 1999 | 1999 | [239] |
| Horizon Airlines | Virginia | | | QXE | HORIZON AIR | | 1964 | 1970 | OperatedPiper Navajo andPiper Apache[240] |
| Horizon Airways | Missouri | | | | | Kirksville | 1969 | 1976 | Renamed toAir Missouri[241] |
| Horizon Cargo Transport | | | | | | | 1978 | 1979 | Renamed toKahili Airlines[242] |
| Houston Airlines | Virginia | | | | | Lynchburg | 1967 | 1967 | [243] |
| Houston Commuter Airlines | Texas | | | | | Houston Bush | 1968 | 1968 | [244] |
| Houston Metro Airlines | Texas | | | | | Clear Lake City STOLport | 1969 | 1993 | RenamedMetro Airlines |
| Huachuca Airlines | Arizona | | 7H | | | Sierra Vista | 1983 | 1985 | [245] |
| Hub Airlines | Illinois |  | | HUB | HUB | Chicago Meigs Field | 1968 | 1974 | AcquiredCommuter Airlines. OperatedBeech 99[246][247] |
| Hub Air Service | Alaska | | | | | McGrath | 1964 | 1976 | OperatedCessna 195,Cherokee Six,Piper PA-22[248] |
| Hubbard Air Transport | Washington | | | | | Seattle Lake Union Seaplane Base | 1919 | 1920 | On 3 March 1919 aB & W Seaplane made the first internationalUS airmail flight[249][250] |
| Hudson Air Service | Alaska | | | | | Talkeetna | 1947 | 2010 | Renamed toSheldon Air Services[251] |
| Hughes Airwest | California |  | RW | | HUGHES-AIR | San Francisco | 1968 | 1980 | ToRepublic Airlines |
| Hughes Float Plane Service | Alaska | | | | | Homer | 1990s | 1990s | Air taxi[252] |
| Hulman Airlines | Indiana | | | | | Terre Haute | 1968 | 1975 | Established asHulman Field Aviation. OperatedCessna 310[253] |
| Hulman Field Aviation | Indiana | | | | | Terre Haute | 1959 | 1968 | Renamed toHulman Airlines[254] |
| Hyannis Aviation | Massachusetts | | YB | HAN | AIR HYANNIS | Barnstable | 1977 | 1977 | [255] |
| I |
| IAero Airways | Florida |  | WQ | SWQ | SWIFTFLIGHT | Miami | 1997 | 2024 | Founded as Swift Air. Went bankrupt.[256] |
| IASCO International Air Service Company | California | | | | | Los Angeles | 1978 | 1992 | OperatedBoeing 727-100[257] |
| Ilan Airways, Inc. | New York | | | | | | 1984 | 1988 | No flights |
| Illini Airlines | Ohio | | | | | Chicago Rockford | 1956 | 1957 | Merged withTaxi Air Group to formTAG Airlines[258] |
| Illinois Airways | Illinois | | | | | Southern Illinois | 1969 | 1972 | Renamed toAir Illinois. Intrastate scheduled-service carrier[259] |
| ImagineAir | Georgia |  | | IMG | | Lawrenceville | 2004 | 2018 | [260] |
| Imperial Airlines | | | | | | Miami | 1960 | 1961 | Supplemental air carrier previouslyRegina Cargo Airlines. Grounded afternotorious 1961 crash |
| Imperial Airlines | California |  | II | IMP | | Imperial | 1964 | 1986 | Founded asVisco Flyging Service[261] |
| Imperial Commuter Airlines | California | | | | | Imperial | 1967 | 1968 | OperatedBeech 18,Beech Bonanza[262] |
| Imperial International | Minnesota | | | PNX | PHOENIX | South St. Paul | 1981 | 1992 | [263] |
| Independence Air | Virginia |  | DH | IDE | INDEPENDENCE | Washington Dulles | 1989 | 2006 | Formed asAtlantic Coast Airlines |
| Independent Air | Georgia |  | ID | IDN | INDEPENDENT | Atlanta | 1966 | 1990 | Founded asAtlanta Skylarks[264] |
| Indian Wells Airlines | California | | | | | Inyokern | 1985 | 1985 | Established asC&M Airlines[265] |
| Indiana Airways | | | WY | INA | INDI-AIR | | 1978 | 1980 | [266] |
| Indigo Airlines | Illinois | | I9 | IBU | INDIGO BLUE | Chicago Midway | 1999 | 2001 | |
| Industrial Air Transport | California | | | | | Ontario | 1945 | 1946 | Trans-Pacific freight carrier. Renamed toPacific Overseas Airlines. OperatedC-54 Skymaster.[267] |
| Indy Air Travel Club | | | | | | | 1960s | 1960s | Air travel club established asFour Winds. OperatedConvair 880. Charter carrier[268] |
| Inland Air Lines | Wyoming | | | | | Casper–Natrona | 1930 | 1952 | Incorporated under Western brand[269] |
| Inland Aviation Services | | | 7N | | | | 1996 | 2009 | [270] |
| Inland Empire Airlines | California |  | CC | IEA | INLAND EMPIRE | Reno–Tahoe | 1978 | 1981 | Acquired by Air Chaparral |
| Inlet Airlines | Alaska | | | | | Homer | 1989 | 1999 | Founded by Dennis Rothberg. Established asCook Inlet Aviation. OperatedPiper Cherokee[271] |
| Inter Citiair Express | Washington | | | | | Seattle-Tacoma | 1930 | 1930 | Acquired byAlaska-Washington Airways. OperatedStinson Detroiter,Lockheed Vega[272] |
| Inter-City Air Lines | Massachusetts | | | | | Boston | 1932 | 1933 | OperatedTravel Air 6000[273] |
| Inter-Island Air | Hawaii | | | UGL | UGLY VAN | Kahului | 1990 | 1991 | [274] |
| Inter-Island Airways | Hawaii | | | | | Honolulu | 1929 | 1941 | Renamed toHawaiian Airlines[275] |
| Intercoastal Airways | Illinois | | | ICA | INTERCOASTAL | Willow Run | 1986 | 1989 | OperatedC-117D[276] |
| Intercontinental Airways | | | IL | | | | 1977 | 1981 | OperatedBoeing 707-321C,Douglas DC-8-33[277] |
| Intercontinental US Inc. | New York | | | | | New York-LaGuardia | 1960 | 1966 | OperatedCarvair,DC-4[278] |
| Interior Air Taxis | Alaska | | | | | Fairbanks | 1965 | 1968 | Third-level services. Affiliate ofInterior Airways[279] |
| Interior Airways | Alaska |  | | | | Anchorage | 1946 | 1972 | ToAlaska International Air |
| Intermountain Airways | Colorado | | | | | | 1978 | 1978 | ToExpressJet Airlines[280] |
| Intermountain Aviation | Arizona |  | | IMA | INTER MOUNTAIN | Pinal Airpark | 1969 | 1975 | CIA front acquired byEvergreen[281] |
| International Air Cargo | Massachusetts | | | | | Boston | 1974 | 1975 | All-cargo operator[282] |
| International Air Cargo | Michigan | | | | | Willow Run | 1980 | 1985 | [283] |
| International Air Response | Arizona |  | | | | Buckeye | 1997 | 2000 | Established asT & G Aviation. Aerial firefighting[284] |
| International Air Taxi | Alaska | | | | | Anchorage | 1965 | 1970 | OperatedCessna 180[285] |
| International Air Taxi | Alaska | | | | | Anchorage | 1980 | 1983 | Affiliated withWien Air Alaska[286] |
| International Airlines | North Dakota | | | | | Minot | 1928 | 1931 | OperatedLockheed Vega.First US operator[287] |
| International Airlines | California | | | | | Burbank | 1961 | 1966 | uncertificated carrier[288] |
| International Airlines | Texas | | | | | San Antonio | 1966 | 1967 | OperatedDouglas DC-7[289] |
| International Airlines Academy | Illinois | | | | | Willow Run | 1972 | 1975 | RenamedTrans Continental Airlines[290] |
| International Charter Xpress | Michigan |  | | ICX | INTEX | Houston Bush | 1992 | 1994 | International Cargo Xpressdba Intl Charter Xpress commonly owned & merged w/Air Transport Intl in 1994 |
| International Parcel Express | | | | IPX | SPEED PACK | | 1986 | 1988 | [291] |
| International U.S. | | | | | | | 1968 | 1974 | [292] |
| Interstate Air Lines | California | | | | | Buchanan Field | 1928 | 1930 | [293] |
| Interstate Airlines | Illinois | | | | | Springfield | 1966 | 1968 | Third-level carrier. OperatedCherokee Six[294] |
| Interstate Airlines | Michigan Arkansas | | 8C | INT | INTER-FLIGHT | Willow Run | 1979 | 1988 | Owner boughtAir Transport International, operating w/ former Interstate assets. |
| Interstate Airmotive | Missouri | | | | | Lambert Field | 1968 | 1972 | Smallsupplemental air carrier. OperatedDC-3s |
| Interstate World Airways | California | | | | | Los Angeles | 1974 | 1975 | Scheduled all-cargo services[295] |
| Iowa Airways | Iowa | | JT | IOA | IOWA AIR | Dubuque | 1985 | 1994 | Agreement withMidway Airlines. OperatedEmbraer Bandeirante[296][297] |
| Iowa Airplane Company | Iowa | | | | | | 1933 | 1949 | Renamed toMid-West Airlines[298] |
| Irvine Airways | | | | | | | 1932 | 1932 | [299] |
| Island Air | Washington | | | | | Bremerton | 1970 | 1970 | Established asIsland Sky Ferries. To formPuget Sound Airlines[300] |
| Island Air | Hawaii | | | | | Honolulu | 1971 | 1972 | [301] |
| Island Air | New York | | | | | Farmingdale | 1976 | 1976 | OperatedDC-3[302] |
| Island Air | Hawaii |  | WP | MKU | MOKU | Honolulu | 1980 | 2017 | Established asPrinceville Airways[303] |
| Island Air | New York | | WS | | | Farmingdale | 1984 | 1984 | Successor toTrans East International[304] |
| Island Air Charters | Florida | | | ILF | | Fort Lauderdale | 1986 | 2006 | [305] |
| Island Air Ferries | New York | | | | | New York-LaGuardia | 1945 | 1953 | Shuttle betweenJFK andLGA. OperatedDC-3,Noorduyn Norseman[306] |
| Island Airlines | Ohio | | | | | Erie–Ottawa | 1929 | 1979 | [307] |
| Island Airlines | Massachusetts | | | | | New Bedford | 1932 | 1932 | Acquired byMaine Air Transport[308] |
| Island Airlines | Massachusetts | | | | | | 1934 | 1934 | Operated sixFairchild 71[308] |
| Island Airlines | Massachusetts | | | | | | 1962 | 1962 | Established asSky Tours[309] |
| Island Airlines | Massachusetts |  | IS | ISA | ISLAND | Hyannis | 1991 | 2015 | [310] |
| Island Airlines Hawaii | Hawaii | | | ACH | | Honolulu | 1960 | 2002 | OperatedConvair 440[311] |
| Island Airways | Michigan | | | | | Charlevoix | 1975 | 2006 | [312] |
| Island Express | | | 2S | SDY | SANDY ISLE | | 1996 | 2006 | [313] |
| Island Express Air | Hawaii | | | | | Honolulu | 1994 | 1994 | Renamed toMahalo Air[314] |
| Island Helicopters | New York | | | | | Garden City | 1968 | 1977 | Scheduled services toManhattan[315] |
| Island Mail | Washington | | | | | Friday Harbor | 1966 | 1979 | Scheduled commuter services. OperatedCessna 206[316] |
| Island Pacific Air | Hawaii | | | PCR | PACAIR | Honolulu | 1975 | 1977 | [317] |
| Island Sky Ferries | Washington | | | | | Bremerton | 1948 | 1950 | Established asOrcas Island Air Service. OperatedLockheed Model 10 Electra[318] |
| Isle Royale Airways | Michigan | | | | | Houghton | 1965 | 1965 | OperatedGrumman Mallard[319] |
| Isle Royale Seaplane Service | Michigan | | | | | Houghton | 1973 | 1975 | Summer schedule[320] |
| ITR Airlines | Colorado | | | ITR | OUTBACK | Denver | 1984 | 1985 | Assumed theFrontier Commuter operations[321] |