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

General Edward Lawrence Logan International ⇄ San Francisco International BOS–SFO

Airlines flew 9,306 flights between General Edward Lawrence Logan International BOS in Boston, MA and San Francisco International SFO in San Francisco, CA in the twelve months to July 2026, both directions together: 1,386,355 passengers in 1,623,081 seats, 85% of them filled, and 2,082,962 pounds of freight. 2,704 miles, about 363 minutes in the air, on 7 airlines: United Air Lines Inc. (3,762), JetBlue Airways (3,394), Delta Air Lines Inc. (1,804), Alaska Airlines Inc. (341) and 3 more. Planning to fly it yourself? The weather and winds along this route right now.

9,306
flights, twelve months
BOS-SFO: 4,652 · SFO-BOS: 4,654
1,386,355
passengers
85% of seats filled
2,704
miles
about 363 minutes airborne
7
airlines
13 aircraft types

Flights by month both directions

02494987489971/254/257/2510/251/264/269837/26
By month, as a table
flights
1/25610
2/25527
3/25653
4/25738
5/25864
6/25877
7/25898
8/25861
9/25816
10/25846
11/25700
12/25703
1/26594
2/26524
3/26645
4/26758
5/26879
6/26997
7/26983

Passengers by month

038,38476,769115,154153,5381/254/257/2510/251/264/26153,5387/26
By month, as a table
passengers
1/2587,411
2/2575,177
3/2593,302
4/25109,423
5/25130,098
6/25137,567
7/25142,448
8/25136,482
9/25119,584
10/25128,590
11/25100,794
12/25102,472
1/2683,270
2/2676,170
3/2697,610
4/26111,624
5/26131,340
6/26144,881
7/26153,538

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Air Lines Inc. UA3,762579,59486%scheduled passenger service
JetBlue Airways B63,394464,20686%scheduled passenger service
Delta Air Lines Inc. DL1,804292,02683%scheduled passenger service
Alaska Airlines Inc. AS34149,56182%scheduled passenger service
Southwest Airlines Co. WN226877%scheduled passenger service
American Airlines Inc. AA219797%scheduled passenger service
Lufthansa German Airlines LH150399%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Airbus Industrie A321-200n3,039179459,616
Boeing B737 Max 9002,821179436,866
Airbus Industrie A321Neoxlr2,156159296,233
Boeing 757-200992176148,975
Boeing 737-900ER18417827,171
Boeing 757-3006523410,675
Boeing 737-800201602,490
Boeing B737 Max 800171662,443
Airbus Industrie A320-100/2007162824
B787-900 Dreamliner2257269
Boeing 777-200ER/200LR/233LR127681
Boeing 767-300/300ER1216209
Airbus Industrie A380-8001509503

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

4,652 flights of 4,735 scheduled, 685,878 passengers in 811,242 seats, 1,296,047 pounds of freight, 5,936 pounds of mail. United Air Lines Inc. 1,880; JetBlue Airways 1,701; Delta Air Lines Inc. 902; Alaska Airlines Inc. 168; Southwest Airlines Co. 1.

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

4,654 flights of 4,736 scheduled, 700,477 passengers in 811,839 seats, 786,915 pounds of freight, 435,345 pounds of mail. United Air Lines Inc. 1,882; JetBlue Airways 1,693; Delta Air Lines Inc. 902; Alaska Airlines Inc. 173; American Airlines Inc. 2; Lufthansa German Airlines 1; Southwest Airlines Co. 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: General Edward Lawrence Logan International BOS and San Francisco International SFO; all routes.