The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

San Francisco International ⇄ Boise Air Trml/Gowen Field SFO–BOI

Airlines flew 3,646 flights between San Francisco International SFO in San Francisco, CA and Boise Air Trml/Gowen Field BOI in Boise, ID in the twelve months to July 2026, both directions together: 229,404 passengers in 298,392 seats, 77% of them filled, and 17,237 pounds of freight. 522 miles, about 72 minutes in the air, on 4 airlines: SkyWest Airlines Inc. (2,967), United Air Lines Inc. (458), Horizon Air (220), Alaska Airlines Inc. (1). Planning to fly it yourself? The weather and winds along this route right now.

3,646
flights, twelve months
SFO-BOI: 1,829 · BOI-SFO: 1,817
229,404
passengers
77% of seats filled
522
miles
about 72 minutes airborne
4
airlines
8 aircraft types

Flights by month both directions

0891782673561/254/257/2510/251/264/263057/26
By month, as a table
flights
1/25292
2/25267
3/25314
4/25301
5/25310
6/25297
7/25292
8/25287
9/25287
10/25310
11/25291
12/25301
1/26301
2/26266
3/26356
4/26329
5/26331
6/26282
7/26305

Passengers by month

05,45210,90416,35721,8091/254/257/2510/251/264/2621,5897/26
By month, as a table
passengers
1/2516,837
2/2516,710
3/2520,855
4/2518,010
5/2521,320
6/2521,809
7/2520,666
8/2519,690
9/2518,878
10/2520,835
11/2519,938
12/2517,858
1/2616,145
2/2614,292
3/2620,158
4/2618,098
5/2621,453
6/2620,470
7/2621,589

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
SkyWest Airlines Inc. OO2,967168,83779%scheduled passenger service
United Air Lines Inc. UA45849,08072%scheduled passenger service
Horizon Air QX22011,33768%scheduled passenger service
Alaska Airlines Inc. AS115084%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Embraer ERJ-1752,39773133,638
Canadair RJ-7007777046,051
Boeing 737-80017016619,991
Airbus Industrie A31916212615,546
Airbus Industrie A320-100/20011115011,489
Canadair RJ-200ER /RJ-4401350485
Boeing B737 Max 800111661,547
Boeing 737-900ER5179657

SFO → BOI this direction alone · flown January 2025 to July 2026

1,829 flights of 1,830 scheduled, 117,017 passengers in 150,385 seats, 12,613 pounds of freight, 19 pounds of mail. SkyWest Airlines Inc. 1,488; United Air Lines Inc. 230; Horizon Air 111.

BOI → SFO this direction alone · flown January 2025 to July 2026

1,817 flights of 1,822 scheduled, 112,387 passengers in 148,007 seats, 4,624 pounds of freight. SkyWest Airlines Inc. 1,479; United Air Lines Inc. 228; Horizon Air 109; Alaska Airlines Inc. 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: San Francisco International SFO and Boise Air Trml/Gowen Field BOI; all routes.