Great Falls International ⇄ Seattle-Tacoma International GTF–SEA
Airlines flew 726 flights between Great Falls International GTF in Great Falls, MT and Seattle-Tacoma International SEA in Seattle, WA in the twelve months to July 2026, both directions together: 44,606 passengers in 55,286 seats, 81% of them filled, and 24,412 pounds of freight. 512 miles, about 86 minutes in the air, on 3 airlines: Horizon Air (515), SkyWest Airlines Inc. (210), Sun Country Airlines d/b/a MN Airlines (1). Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 64 |
| 2/25 | 56 |
| 3/25 | 62 |
| 4/25 | 61 |
| 5/25 | 62 |
| 6/25 | 59 |
| 7/25 | 62 |
| 8/25 | 62 |
| 9/25 | 60 |
| 10/25 | 62 |
| 11/25 | 58 |
| 12/25 | 63 |
| 1/26 | 62 |
| 2/26 | 56 |
| 3/26 | 58 |
| 4/26 | 60 |
| 5/26 | 62 |
| 6/26 | 60 |
| 7/26 | 63 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 3,728 |
| 2/25 | 3,277 |
| 3/25 | 3,957 |
| 4/25 | 3,898 |
| 5/25 | 4,017 |
| 6/25 | 3,880 |
| 7/25 | 4,187 |
| 8/25 | 4,170 |
| 9/25 | 3,820 |
| 10/25 | 3,727 |
| 11/25 | 3,206 |
| 12/25 | 3,964 |
| 1/26 | 3,409 |
| 2/26 | 3,246 |
| 3/26 | 3,457 |
| 4/26 | 3,456 |
| 5/26 | 3,882 |
| 6/26 | 4,002 |
| 7/26 | 4,267 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Horizon Air QX | 515 | 32,060 | 82% | scheduled passenger service |
| SkyWest Airlines Inc. OO | 210 | 12,546 | 79% | scheduled passenger service |
| Sun Country Airlines d/b/a MN Airlines SY | 1 | 0 | 0% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 725 | 76 | 44,606 |
| Boeing 737-800 | 1 | 186 | 0 |
GTF → SEA this direction alone · flown January 2025 to July 2026
363 flights of 365 scheduled, 21,798 passengers in 27,698 seats, 12,845 pounds of freight. Horizon Air 257; SkyWest Airlines Inc. 105; Sun Country Airlines d/b/a MN Airlines 1.
SEA → GTF this direction alone · flown January 2025 to July 2026
363 flights of 365 scheduled, 22,808 passengers in 27,588 seats, 11,567 pounds of freight. Horizon Air 258; SkyWest Airlines Inc. 105.
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: Great Falls International GTF and Seattle-Tacoma International SEA; all routes.