Boise Air Trml/Gowen Field ⇄ Seattle-Tacoma International BOI–SEA
Airlines flew 10,638 flights between Boise Air Trml/Gowen Field BOI in Boise, ID and Seattle-Tacoma International SEA in Seattle, WA in the twelve months to July 2026, both directions together: 738,808 passengers in 970,111 seats, 76% of them filled, and 537,749 pounds of freight. 399 miles, about 70 minutes in the air, on 6 airlines: SkyWest Airlines Inc. (5,814), Horizon Air (2,961), Alaska Airlines Inc. (1,855), Delta Air Lines Inc. (5) and 2 more. 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 | 889 |
| 2/25 | 796 |
| 3/25 | 899 |
| 4/25 | 933 |
| 5/25 | 990 |
| 6/25 | 1,005 |
| 7/25 | 1,034 |
| 8/25 | 1,009 |
| 9/25 | 962 |
| 10/25 | 918 |
| 11/25 | 808 |
| 12/25 | 887 |
| 1/26 | 818 |
| 2/26 | 743 |
| 3/26 | 904 |
| 4/26 | 894 |
| 5/26 | 919 |
| 6/26 | 881 |
| 7/26 | 895 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 57,153 |
| 2/25 | 52,362 |
| 3/25 | 61,897 |
| 4/25 | 55,817 |
| 5/25 | 67,896 |
| 6/25 | 70,016 |
| 7/25 | 70,877 |
| 8/25 | 66,989 |
| 9/25 | 63,869 |
| 10/25 | 65,959 |
| 11/25 | 55,489 |
| 12/25 | 62,162 |
| 1/26 | 55,004 |
| 2/26 | 51,267 |
| 3/26 | 63,029 |
| 4/26 | 54,567 |
| 5/26 | 68,178 |
| 6/26 | 67,299 |
| 7/26 | 64,996 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| SkyWest Airlines Inc. OO | 5,814 | 325,489 | 76% | scheduled passenger service |
| Horizon Air QX | 2,961 | 196,181 | 87% | scheduled passenger service |
| Alaska Airlines Inc. AS | 1,855 | 216,214 | 69% | charter passenger service, scheduled passenger service |
| Delta Air Lines Inc. DL | 5 | 779 | 84% | scheduled passenger service |
| Sun Country Airlines d/b/a MN Airlines SY | 2 | 0 | 0% | charter passenger service |
| American Airlines Inc. AA | 1 | 145 | 76% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 8,775 | 74 | 521,670 |
| Boeing 737-800 | 672 | 160 | 75,754 |
| Boeing 737-900ER | 541 | 178 | 64,434 |
| Boeing B737 Max 900 | 477 | 178 | 56,777 |
| Boeing B737 Max 800 | 159 | 161 | 18,653 |
| Boeing 737-700/700LR/Max 7 | 8 | 124 | 743 |
| Airbus Industrie A321-200n | 3 | 194 | 482 |
| Boeing 737-900 | 2 | 178 | 150 |
| Airbus Industrie A321Neoxlr | 1 | 190 | 145 |
BOI → SEA this direction alone · flown January 2025 to July 2026
5,323 flights of 5,334 scheduled, 374,131 passengers in 485,573 seats, 199,117 pounds of freight. SkyWest Airlines Inc. 2,843; Horizon Air 1,543; Alaska Airlines Inc. 930; Delta Air Lines Inc. 5; American Airlines Inc. 1; Sun Country Airlines d/b/a MN Airlines 1.
SEA → BOI this direction alone · flown January 2025 to July 2026
5,315 flights of 5,353 scheduled, 364,677 passengers in 484,538 seats, 338,632 pounds of freight, 550 pounds of mail. SkyWest Airlines Inc. 2,971; Horizon Air 1,418; Alaska Airlines Inc. 925; Sun Country Airlines d/b/a MN Airlines 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: Boise Air Trml/Gowen Field BOI and Seattle-Tacoma International SEA; all routes.