San Francisco International ⇄ General Edward Lawrence Logan International SFO–BOS
Airlines flew 9,306 flights between San Francisco International SFO in San Francisco, CA and General Edward Lawrence Logan International BOS in Boston, MA 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 304 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.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 610 |
| 2/25 | 527 |
| 3/25 | 653 |
| 4/25 | 738 |
| 5/25 | 864 |
| 6/25 | 877 |
| 7/25 | 898 |
| 8/25 | 861 |
| 9/25 | 816 |
| 10/25 | 846 |
| 11/25 | 700 |
| 12/25 | 703 |
| 1/26 | 594 |
| 2/26 | 524 |
| 3/26 | 645 |
| 4/26 | 758 |
| 5/26 | 879 |
| 6/26 | 997 |
| 7/26 | 983 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 87,411 |
| 2/25 | 75,177 |
| 3/25 | 93,302 |
| 4/25 | 109,423 |
| 5/25 | 130,098 |
| 6/25 | 137,567 |
| 7/25 | 142,448 |
| 8/25 | 136,482 |
| 9/25 | 119,584 |
| 10/25 | 128,590 |
| 11/25 | 100,794 |
| 12/25 | 102,472 |
| 1/26 | 83,270 |
| 2/26 | 76,170 |
| 3/26 | 97,610 |
| 4/26 | 111,624 |
| 5/26 | 131,340 |
| 6/26 | 144,881 |
| 7/26 | 153,538 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| United Air Lines Inc. UA | 3,762 | 579,594 | 86% | scheduled passenger service |
| JetBlue Airways B6 | 3,394 | 464,206 | 86% | scheduled passenger service |
| Delta Air Lines Inc. DL | 1,804 | 292,026 | 83% | scheduled passenger service |
| Alaska Airlines Inc. AS | 341 | 49,561 | 82% | scheduled passenger service |
| American Airlines Inc. AA | 2 | 197 | 97% | scheduled passenger service |
| Southwest Airlines Co. WN | 2 | 268 | 77% | scheduled passenger service |
| Lufthansa German Airlines LH | 1 | 503 | 99% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Airbus Industrie A321-200n | 3,039 | 179 | 459,616 |
| Boeing B737 Max 900 | 2,821 | 179 | 436,866 |
| Airbus Industrie A321Neoxlr | 2,156 | 159 | 296,233 |
| Boeing 757-200 | 992 | 176 | 148,975 |
| Boeing 737-900ER | 184 | 178 | 27,171 |
| Boeing 757-300 | 65 | 234 | 10,675 |
| Boeing 737-800 | 20 | 160 | 2,490 |
| Boeing B737 Max 800 | 17 | 166 | 2,443 |
| Airbus Industrie A320-100/200 | 7 | 162 | 824 |
| B787-900 Dreamliner | 2 | 257 | 269 |
| Boeing 767-300/300ER | 1 | 216 | 209 |
| Airbus Industrie A380-800 | 1 | 509 | 503 |
| Boeing 777-200ER/200LR/233LR | 1 | 276 | 81 |
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.
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.
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 General Edward Lawrence Logan International BOS; all routes.