| Tournament details | |
|---|---|
| Venue | Summerside, Prince Edward Island |
| Dates | May 1989 |
| Teams | 4 |
| Final positions | |
| Champions | Thunder Bay Flyers(1st title) |
| Runners-up | Summerside Western Capitals |
| Third place | Moncton Hawks |
| Fourth place | Vernon Lakers |
| Tournament statistics | |
| Games played | 8 |
| Scoring leader | Greg Johnson (Thunder Bay) |
| Awards | |
| MVP | Todd Hendersen (Thunder Bay) |

The1989 Centennial Cup is the 19th Junior "A" 1989ice hockey National Championship for theCanadian Junior A Hockey League.
TheCentennial Cup was competed for by the winners of theAbbott Cup,Dudley Hewitt Cup, theCallaghan Cup, and a host city.
The tournament was hosted by theSummerside Western Capitals in the city ofSummerside, Prince Edward Island.
TheThunder Bay Flyers were coached byDave Siciliano, and won theUnited States Hockey League regular season and playoffs in 1989.[1] The Flyers began the Canadian playoffs undefeated in eight games with series victories versus theSudbury Cubs and thePembroke Lumber Kings to win theDudley Hewitt Cup.[1][2] Siciliano recalled that the Flyers were not given respect in advance of the 1989 Centennial Cup, and said that "the hostSummerside team commented at the coaches press conference that Thunder Bay couldn't be very strong since they played in an American-based league".[2] During theround-robin stage of the tournament, the Flyers earned wins versus theVernon Lakers andMoncton Hawks, and lost to theSummerside Western Capitals.[1][2] The Flyers earned a berth in the cup finals based ongoal difference among three teams tied for first place, then defeated Summerside by a 4–1 score in the final game to win the Centennial Cup.[2] The Centennial Cup championship was the first for any team fromNorthwestern Ontario.[1]
| Pos | League (Ticket) | Team | Pld | W | L | GF | GA | GD | Qualification |
|---|---|---|---|---|---|---|---|---|---|
| 1 | USHL (Dudley Hewitt Cup) | Thunder Bay Flyers | 3 | 2 | 1 | 18 | 9 | +9 | Final |
| 2 | MVJHL (Callaghan Cup) | Moncton Hawks | 3 | 2 | 1 | 13 | 11 | +2 | Semi-final |
| 3 | IJHL (Host) | Summerside Western Capitals | 3 | 2 | 1 | 13 | 14 | −1 | |
| 4 | BCJHL (Abbott Cup) | Vernon Lakers | 3 | 0 | 3 | 8 | 18 | −10 |
| Semi-finals | Centennial Cup Finals | ||||||||
| 1 | Thunder Bay Flyers | 4 | |||||||
| 2 | Moncton Hawks | 2 | 3 | Summerside Western Capitals | 1 | ||||
| 3 | Summerside Western Capitals | 3 | |||||||
Please note: Semi- Final was won in 14:51 of 3rd overtime period
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