Seattle-Tacoma International ⇄ Montreal SEA–YUL
Airlines flew 135 flights between Seattle-Tacoma International SEA in Seattle, WA and Montreal, Canada YUL in Montreal, CA in the twelve months to July 2026, both directions together: 15,543 passengers in 18,495 seats, 84% of them filled, and 7 pounds of freight. 2,285 miles, on 1 airline: Air Canada (135).
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 5/25 | 61 |
| 6/25 | 60 |
| 7/25 | 60 |
| 8/25 | 54 |
| 9/25 | 54 |
| 10/25 | 27 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 5/25 | 5,409 |
| 6/25 | 6,235 |
| 7/25 | 7,074 |
| 8/25 | 6,330 |
| 9/25 | 6,330 |
| 10/25 | 2,883 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Air Canada AC | 135 | 15,543 | 84% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| A220-300 BD-500-1A11 | 135 | 137 | 15,543 |
SEA → YUL this direction alone · flown May 2025 to October 2025
68 flights, 7,834 passengers in 9,316 seats, 7 pounds of freight. Air Canada 68.
YUL → SEA this direction alone · flown May 2025 to October 2025
67 flights, 7,709 passengers in 9,179 seats. Air Canada 67.
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 Montreal, Canada YUL; all routes.