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

Sacramento International ⇄ San Francisco International SMF–SFO

Airlines flew 2,754 flights between Sacramento International SMF in Sacramento, CA and San Francisco International SFO in San Francisco, CA in the twelve months to July 2026, both directions together: 139,076 passengers in 187,364 seats, 74% of them filled, and 84,359 pounds of freight. 86 miles, about 31 minutes in the air, on 10 airlines: SkyWest Airlines Inc. (2,525), United Air Lines Inc. (176), Delta Air Lines Inc. (23), Alaska Airlines Inc. (18) and 6 more. Planning to fly it yourself? The weather and winds along this route right now.

2,754
flights, twelve months
SMF-SFO: 1,382 · SFO-SMF: 1,372
139,076
passengers
74% of seats filled
86
miles
about 31 minutes airborne
10
airlines
14 aircraft types

Flights by month both directions

0751502242991/254/257/2510/251/264/261927/26
By month, as a table
flights
1/25188
2/25189
3/25199
4/25243
5/25232
6/25223
7/25229
8/25234
9/25238
10/25299
11/25226
12/25216
1/26242
2/26234
3/26229
4/26237
5/26226
6/26181
7/26192

Passengers by month

04,0398,07812,11616,1551/254/257/2510/251/264/2612,9737/26
By month, as a table
passengers
1/2510,693
2/2510,880
3/2510,075
4/2512,227
5/2512,132
6/2513,410
7/2513,363
8/2512,311
9/2512,429
10/2516,155
11/2510,214
12/2510,865
1/2611,457
2/2610,557
3/269,727
4/269,459
5/2610,736
6/2612,193
7/2612,973

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
SkyWest Airlines Inc. OO2,525120,55979%scheduled passenger service
United Air Lines Inc. UA17617,04459%scheduled passenger service
Delta Air Lines Inc. DL2326113%charter passenger service, scheduled passenger service
Alaska Airlines Inc. AS18963%charter passenger service
American Airlines Inc. AA551369%scheduled passenger service
Southwest Airlines Co. WN214943%scheduled passenger service
Air Transport International 8C20charter cargo service
Air Canada AC1137100%scheduled passenger service
JetBlue Airways B6115698%scheduled passenger service
Aeromexico AM116197%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Canadair RJ-200ER /RJ-4401,3445055,019
Embraer ERJ-1751,0617259,358
Canadair RJ-700120706,182
Boeing B737 Max 800791667,023
Boeing 737-800641667,018
Boeing B737 Max 90022178441
Boeing 757-200207835
Airbus Industrie A319171271,221
Boeing 737-900ER161791,967
Airbus Industrie A320-100/2006151423
Airbus Industrie A321Neoxlr2130252
A220-300 BD-500-1A111137137
Boeing 767-200/ER/EM100
Boeing 767-300/300ER100

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

1,382 flights of 1,348 scheduled, 72,354 passengers in 94,662 seats, 1,019 pounds of freight, 803 pounds of mail. SkyWest Airlines Inc. 1,261; United Air Lines Inc. 90; Delta Air Lines Inc. 16; Alaska Airlines Inc. 8; American Airlines Inc. 3; Southwest Airlines Co. 2; Air Canada 1; JetBlue Airways 1.

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

1,372 flights of 1,351 scheduled, 66,722 passengers in 92,702 seats, 83,340 pounds of freight. SkyWest Airlines Inc. 1,264; United Air Lines Inc. 86; Alaska Airlines Inc. 10; Delta Air Lines Inc. 7; Air Transport International 2; American Airlines Inc. 2; Aeromexico 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: Sacramento International SMF and San Francisco International SFO; all routes.