Seattle-Tacoma International ⇄ Calgary SEA–YYC
Airlines flew 2,496 flights between Seattle-Tacoma International SEA in Seattle, WA and Calgary, Canada YYC in Calgary, CA in the twelve months to July 2026, both directions together: 212,753 passengers in 264,706 seats, 80% of them filled, and 2,048 pounds of freight. 453 miles, about 35 minutes in the air, on 7 airlines: Westjet (1,227), Horizon Air (1,191), SkyWest Airlines Inc. (65), Delta Air Lines Inc. (9) and 3 more.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 118 |
| 2/25 | 110 |
| 3/25 | 124 |
| 4/25 | 127 |
| 5/25 | 220 |
| 6/25 | 277 |
| 7/25 | 375 |
| 8/25 | 375 |
| 9/25 | 299 |
| 10/25 | 206 |
| 11/25 | 118 |
| 12/25 | 128 |
| 1/26 | 128 |
| 2/26 | 113 |
| 3/26 | 122 |
| 4/26 | 128 |
| 5/26 | 216 |
| 6/26 | 304 |
| 7/26 | 359 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 10,418 |
| 2/25 | 10,372 |
| 3/25 | 11,340 |
| 4/25 | 11,115 |
| 5/25 | 17,281 |
| 6/25 | 22,842 |
| 7/25 | 33,209 |
| 8/25 | 33,124 |
| 9/25 | 23,466 |
| 10/25 | 17,703 |
| 11/25 | 10,461 |
| 12/25 | 11,925 |
| 1/26 | 11,432 |
| 2/26 | 10,749 |
| 3/26 | 10,092 |
| 4/26 | 9,909 |
| 5/26 | 17,817 |
| 6/26 | 24,654 |
| 7/26 | 31,421 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Westjet WS | 1,227 | 131,011 | 78% | scheduled passenger service |
| Horizon Air QX | 1,191 | 76,809 | 85% | scheduled passenger service |
| SkyWest Airlines Inc. OO | 65 | 4,287 | 87% | scheduled passenger service |
| Delta Air Lines Inc. DL | 9 | 115 | 13% | charter passenger service, scheduled passenger service |
| United Air Lines Inc. UA | 2 | 281 | 96% | scheduled passenger service |
| American Airlines Inc. AA | 1 | 122 | 95% | scheduled passenger service |
| Air Canada AC | 1 | 128 | 93% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 1,256 | 76 | 81,096 |
| Boeing 737-700/700LR/Max 7 | 439 | 132 | 47,000 |
| Boeing 737-800 | 340 | 178 | 45,587 |
| De Havilland DHC8-400 Dash-8 | 299 | 78 | 18,674 |
| Boeing B737 Max 800 | 150 | 174 | 19,909 |
| Boeing 757-200 | 8 | 96 | 0 |
| Airbus Industrie A319 | 3 | 129 | 359 |
| A220-300 BD-500-1A11 | 1 | 137 | 128 |
SEA → YYC this direction alone · flown January 2025 to July 2026
1,250 flights of 637 scheduled, 105,636 passengers in 132,480 seats, 1,044 pounds of freight. Westjet 612; Horizon Air 598; SkyWest Airlines Inc. 32; Delta Air Lines Inc. 5; United Air Lines Inc. 2; American Airlines Inc. 1.
YYC → SEA this direction alone · flown January 2025 to July 2026
1,246 flights of 643 scheduled, 107,117 passengers in 132,226 seats, 1,004 pounds of freight. Westjet 615; Horizon Air 593; SkyWest Airlines Inc. 33; Delta Air Lines Inc. 4; Air Canada 1.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Seattle-Tacoma International SEA and Calgary, Canada YYC; all routes.