Cargo airlines (orair freight carriers, and derivatives of these names) areairlines mainly dedicated to thetransport ofcargo by air. Some cargo airlines are divisions or subsidiaries of largerpassenger airlines.In 2018, airline cargo traffic represented 262,333 milliontonne-kilometres with a 49.3%load factor: 52.1% for dedicated cargo operations, and 47.9% within mixed operations (belly freight of passenger airliners).^[1]

Dedicated cargo airlines such asFedEx,UPS, andDHL, operate a fleet of cargo aircraft and handle the entirefreight transportation process. Many airlines, likeEmirates andQatar Airways, have dedicated cargo divisions that operate their own fleet of cargo aircraft alongside their passenger operations. During theCOVID-19 pandemic, airlines likeAmerican Airlines,Air Canada, andDelta Air Lines utilized their passenger planes, removing seats to create space for cargo, to meet the demand for freight transport.^[2][3]

A higher proportion of cargo flights are red-eye (overnight flights) than passenger flights. Compared to passenger airline pilots, cargo pilots are paid less but do not have to be responsible for passengers. Cargo pilots also have better job security due to air freight demand being more stable, as opposed to passenger airlines which often furlough their pilots in response to falling passenger demand.^[4]

Air freight offers the fastest way to move cargo across long distances.^[5][6]

Amid theCOVID-19 pandemic, adjusted cargo capacity fell by 4.4% in February while air cargo demand also fell by 9.1%, but thenear-halt in passenger traffic cut capacity even deeper as half of global air cargo is carried in passenger jets’ bellies.Air freight rates rose as a consequence, from $0.80 per kg for transatlantic cargoes to $2.50-4 per kg, enticing passenger airlines to operate cargo-only flights through the use ofpreighters, while cargo airlines bring back into service fuel-guzzlingstored aircraft, helped by fallingoil prices.^[7]

Air transport is a component of many internationallogistics networks, managing and controlling the flow of goods, energy, information and other resources like products, services, and people, from the source of production to the marketplace. Logistics involves the geographical repositioning of raw materials, work in process, and finished inventories.^[8]

Larger cargo airlines tend to use new or recently built aircraft to carry their freight.^[9] Current passenger aircraft such as theBoeing 777 andAirbus A330 offer freighter variants either from new the factory or as a conversion. Compared to the passenger variant, the freighter has a supernumerary area, which includes four business-class seats forward of the rigid cargo barrier, full main deck access, bunks, and a galley. Passenger planes converted to freighters have their windows plugged, passenger doors deactivated, fuselage and floor reinforced, and a main-deck cargo door installed.

Many cargo airlines still utilize older aircraft, including those no longer suited for passenger service, like theBoeing 727,Douglas DC-8,McDonnell Douglas DC-10,McDonnell Douglas MD-11,Airbus A300, and theIlyushin Il-76. Examples of the 80+-year-oldDouglas DC-3 are still flying around the world carrying cargo (as well as passengers). Short rangeturboprop airliners such as theAntonov An-12,Antonov An-26,Fokker Friendship, andBritish Aerospace ATP are being modified to accept standard air freight pallets to extend their working lives. This normally involves the replacement of glazed windows with opaque panels, the strengthening of the cabin floor and insertion of a broad top-hinged door in one side of the fuselage.

TheAntonov An-225Mriya, an enlarged version of theAntonov An-124Ruslan, was the world's largest aircraft, used for transporting large shipments and oversized cargos.^[10][11]

Usage oflarge military airplanes for commercial purposes, pioneered byUkraine'sAntonov Airlines in the 1990s, has allowed new types of cargo in aerial transportation.

In the past, some cargo airlines would carry a few passengers from time to time on flights, andUPS Airlines once unsuccessfully tried a passengercharter airline division.

Passenger airlines regularly use their largest passenger aircraft like theBoeing 777-300ER to earn additional revenue beyond passengers on a scheduled flight, by transporting a limited amount of cargo alongside passengers' luggage underneath the passenger cabin.[1] This is known as mixed operations or belly freight, and makes up 47.9% airline cargo traffic as of 2018.^[1]Alaska Airlines operates a series of short flights nicknamed the "Milk Run" to small towns in Southeast Alaska that do not have road access, using five Boeing 737-400 Combi aircraft whose cabin is divided in half with cargo up front and 72 seats in the back.[2]

Low-cost carriers do not tend to operate cargo subsidiaries.^{[citation needed]}

Several airlines dominate the sector.^[12][13]

Rank[14]	Airline	Country	2023	2022	2021	2020	2019	2018
1	FedEx Express	United States	17,923	19,547	20,660	19,656	17,503	17,499
2	Qatar Airways Cargo	Qatar	14,406	14,267	16,102	13,740	13,024	12,695
3	UPS Airlines	United States	14,239	15,889	15,529	14,371	12,842	12,459
4	Emirates SkyCargo	United Arab Emirates	10,636	10,153	11,842	9,569	12,052	12,713
5	Atlas Air	United States	8,915	8,675	8,441	5,458#12	4,522#16	4,553#16
6	Korean Air Cargo	South Korea	8,411	9,518	10,429	8,104	7,412	7,839
7	Turkish Cargo	Turkey	8,325	8,318	9,223	6,977	7,029	5,890
8	Cathay Pacific Cargo	Hong Kong	8,099	5,774#13	8,215	8,137	10,930	11,284
9	China Southern Airlines Cargo	China	7,610	6,915	8,078	6,591	6,825	6,597
10	Cargolux	Luxembourg	6,807	7,971	8,587	7,345	7,180	7,322

Some more large cargo carriers are:^[15]

The following are freight divisions of passenger airlines operating their own or leased freighter aircraft. Some have shut down or merged with others:^[16]

The following are freight divisions without freighter fleets, using passenger aircraft holds or having other cargo airlines fly on their behalf. Some of these previously had freighters:

These carriers operate freighter aircraft but do not have cargo divisions:

These carriers operate freighter aircraft exclusively

• Airlift
• Cargo aircraft
• Cargo terminal
• Counter-to-counter package
• Dangerous goods
• List of cargo airlines

Wikimedia Commons has media related toCargo airlines.

• "Air Freight: A Market Study with Implications for Landlocked Countries"(PDF).World Bank. August 2009.

• Cargo airlines
• Air freight
• Airline-related lists
• Airline types

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