United Airlines flights from San Francisco (SFO) to Boston Logan (BOS).

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Thu-Sat 11:00 San Francisco (SFO) 3 19:41 Boston Logan (BOS) B
United Airlines UA 2356 Non-stop Boeing 757-200 (752) 5:41 Effective 2026-03-05 through 2026-03-07
Daily 11:05 San Francisco (SFO) 3 19:46 Boston Logan (BOS) B
United Airlines UA 2356 Non-stop Boeing 757-200 (752) 5:41 Effective 2026-03-08 through 2026-03-28
Daily 11:10 San Francisco (SFO) 3 19:56 Boston Logan (BOS) B
United Airlines UA 2356 Non-stop Boeing 737 MAX 9 (7M9) 5:46 Valid until 2026-01-05
Daily 11:15 San Francisco (SFO) 3 19:56 Boston Logan (BOS) B
United Airlines UA 2356 Non-stop Boeing 757-200 (752) 5:41 Effective 2026-02-12 through 2026-03-04
Daily 08:10 San Francisco (SFO) 3 17:07 Boston Logan (BOS) B
United Airlines UA 2647 Non-stop Boeing 737-900 (739) 5:57 Effective 2026-03-29 through 2026-04-29
Daily 08:10 San Francisco (SFO) 3 17:07 Boston Logan (BOS) B
United Airlines UA 2647 Non-stop Boeing 737 MAX 9 (7M9) 5:57 Effective 2026-04-30 through 2026-05-20
Daily 08:10 San Francisco (SFO) 3 17:04 Boston Logan (BOS) B
United Airlines UA 2647 Non-stop Boeing 737 MAX 9 (7M9) 5:54 Effective 2026-05-21 through 2026-08-10
Daily 08:10 San Francisco (SFO) 3 16:56 Boston Logan (BOS) B
United Airlines UA 2647 Non-stop Boeing 737 MAX 9 (7M9) 5:46 Effective 2026-08-11 through 2026-09-23
Daily 08:10 San Francisco (SFO) 3 17:07 Boston Logan (BOS) B
United Airlines UA 2647 Non-stop Boeing 757-200 (752) 5:57 Effective from 2026-09-24
Daily 08:25 San Francisco (SFO) 3 17:10 Boston Logan (BOS) B
United Airlines UA 2647 Non-stop Boeing 757-200 (752) 5:45 Valid until 2026-01-05
Daily 08:25 San Francisco (SFO) 3 17:13 Boston Logan (BOS) B
United Airlines UA 2647 Non-stop Boeing 757-200 (752) 5:48 Effective 2026-01-06 through 2026-02-11
Daily 08:25 San Francisco (SFO) 3 17:02 Boston Logan (BOS) B
United Airlines UA 2647 Non-stop Boeing 757-200 (752) 5:37 Effective 2026-02-12 through 2026-03-04
Daily 08:25 San Francisco (SFO) 3 17:04 Boston Logan (BOS) B
United Airlines UA 2647 Non-stop Boeing 757-200 (752) 5:39 Effective 2026-03-05 through 2026-03-28
Non-Direct Flights:
Mon,Tue,Thu-Sun 10:40 San Francisco (SFO) 3 22:48 Boston Logan (BOS) B
United Airlines UA 713 1-stop Boeing 787-9 (789) 9:08 Valid until 2026-01-04
Mon 10:40 San Francisco (SFO) 3 22:59 Boston Logan (BOS) B
United Airlines UA 713 1-stop Boeing 787-9 (789) 9:19 Operates only on 2026-01-05
Daily 12:36 San Francisco (SFO) 3 23:54 Boston Logan (BOS) B
United Airlines UA 755 1-stop Boeing 757-300 (753) 8:18 Effective 2026-04-30 through 2026-05-20
Mon,Thu,Fri,Sun 12:55 San Francisco (SFO) 3 23:57 Boston Logan (BOS) B
United Airlines UA 755 1-stop Boeing 787-8 (788) 8:02 Effective 2026-02-12 through 2026-03-02
Mon-Fri,Sun 12:55 San Francisco (SFO) 3 23:57 Boston Logan (BOS) B
United Airlines UA 755 1-stop Boeing 787-8 (788) 8:02 Effective 2026-03-05 through 2026-03-27
Sat 12:55 San Francisco (SFO) 3 23:57 Boston Logan (BOS) B
United Airlines UA 755 1-stop Boeing 787-8 (788) 8:02 Operates only on 2026-03-28
Daily 12:55 San Francisco (SFO) 3 00:04 Boston Logan (BOS) B
United Airlines UA 755 1-stop Boeing 777 (777) 8:09 Effective 2026-03-29 through 2026-04-28
The flight arrives 1 day after departure.
Sat 13:15 San Francisco (SFO) 3 23:57 Boston Logan (BOS) B
United Airlines UA 755 1-stop Boeing 757-300 (753) 7:42 Effective 2026-02-14 through 2026-02-28
Daily 13:20 San Francisco (SFO) 3 23:54 Boston Logan (BOS) B
United Airlines UA 755 1-stop Boeing 757-300 (753) 7:34 Effective 2026-05-21 through 2026-10-24
Daily 13:20 San Francisco (SFO) 3 23:54 Boston Logan (BOS) B
United Airlines UA 755 1-stop Boeing 777 (777) 7:34 Effective from 2026-10-25
Sat 13:25 San Francisco (SFO) 3 23:57 Boston Logan (BOS) B
United Airlines UA 755 1-stop Boeing 737-900 (739) 7:32 Operates only on 2026-03-07
Sat 13:25 San Francisco (SFO) 3 23:57 Boston Logan (BOS) B
United Airlines UA 755 1-stop Boeing 737 MAX 9 (7M9) 7:32 Effective 2026-03-14 through 2026-03-21
Mon-Fri,Sun 06:00 San Francisco (SFO) 3 18:48 Boston Logan (BOS) B
United Airlines UA 688 2-stop Boeing 737-800 (738) 9:48 Valid until 2026-01-05
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United Airlines flights from San Francisco (SFO) to Boston Logan (BOS).
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA2356
11:00
San Francisco (SFO) 3

19:41
Boston Logan (BOS) B
Effective 2026-03-05 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 5:41, non-stop
Boeing 757-200 (752)
Direct Flights:
United Airlines UA2356
11:05
San Francisco (SFO) 3

19:46
Boston Logan (BOS) B
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:41, non-stop
Boeing 757-200 (752)
Direct Flights:
United Airlines UA2356
11:10
San Francisco (SFO) 3

19:56
Boston Logan (BOS) B
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:46, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2356
11:15
San Francisco (SFO) 3

19:56
Boston Logan (BOS) B
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:41, non-stop
Boeing 757-200 (752)
Direct Flights:
United Airlines UA2647
08:10
San Francisco (SFO) 3

17:07
Boston Logan (BOS) B
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:57, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2647
08:10
San Francisco (SFO) 3

17:07
Boston Logan (BOS) B
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:57, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2647
08:10
San Francisco (SFO) 3

17:04
Boston Logan (BOS) B
Effective 2026-05-21 through 2026-08-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:54, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2647
08:10
San Francisco (SFO) 3

16:56
Boston Logan (BOS) B
Effective 2026-08-11 through 2026-09-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:46, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2647
08:10
San Francisco (SFO) 3

17:07
Boston Logan (BOS) B
Effective from 2026-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:57, non-stop
Boeing 757-200 (752)
Direct Flights:
United Airlines UA2647
08:25
San Francisco (SFO) 3

17:10
Boston Logan (BOS) B
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:45, non-stop
Boeing 757-200 (752)
Direct Flights:
United Airlines UA2647
08:25
San Francisco (SFO) 3

17:13
Boston Logan (BOS) B
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:48, non-stop
Boeing 757-200 (752)
Direct Flights:
United Airlines UA2647
08:25
San Francisco (SFO) 3

17:02
Boston Logan (BOS) B
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:37, non-stop
Boeing 757-200 (752)
Direct Flights:
United Airlines UA2647
08:25
San Francisco (SFO) 3

17:04
Boston Logan (BOS) B
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:39, non-stop
Boeing 757-200 (752)
Non-Direct Flights:
United Airlines UA713
10:40
San Francisco (SFO) 3

22:48
Boston Logan (BOS) B
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 9:08, 1-stop
Boeing 787-9 (789)
Non-Direct Flights:
United Airlines UA713
10:40
San Francisco (SFO) 3

22:59
Boston Logan (BOS) B
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 9:19, 1-stop
Boeing 787-9 (789)
Non-Direct Flights:
United Airlines UA755
12:36
San Francisco (SFO) 3

23:54
Boston Logan (BOS) B
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:18, 1-stop
Boeing 757-300 (753)
Non-Direct Flights:
United Airlines UA755
12:55
San Francisco (SFO) 3

23:57
Boston Logan (BOS) B
Effective 2026-02-12 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 8:02, 1-stop
Boeing 787-8 (788)
Non-Direct Flights:
United Airlines UA755
12:55
San Francisco (SFO) 3

23:57
Boston Logan (BOS) B
Effective 2026-03-05 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 8:02, 1-stop
Boeing 787-8 (788)
Non-Direct Flights:
United Airlines UA755
12:55
San Francisco (SFO) 3

23:57
Boston Logan (BOS) B
Operates only on 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 8:02, 1-stop
Boeing 787-8 (788)
Non-Direct Flights:
United Airlines UA755
12:55
San Francisco (SFO) 3

00:04(+1)
Boston Logan (BOS) B
Effective 2026-03-29 through 2026-04-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:09, 1-stop
Boeing 777 (777)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA755
13:15
San Francisco (SFO) 3

23:57
Boston Logan (BOS) B
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 7:42, 1-stop
Boeing 757-300 (753)
Non-Direct Flights:
United Airlines UA755
13:20
San Francisco (SFO) 3

23:54
Boston Logan (BOS) B
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:34, 1-stop
Boeing 757-300 (753)
Non-Direct Flights:
United Airlines UA755
13:20
San Francisco (SFO) 3

23:54
Boston Logan (BOS) B
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:34, 1-stop
Boeing 777 (777)
Non-Direct Flights:
United Airlines UA755
13:25
San Francisco (SFO) 3

23:57
Boston Logan (BOS) B
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 7:32, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA755
13:25
San Francisco (SFO) 3

23:57
Boston Logan (BOS) B
Effective 2026-03-14 through 2026-03-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 7:32, 1-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA688
06:00
San Francisco (SFO) 3

18:48
Boston Logan (BOS) B
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 9:48, 2-stop
Boeing 737-800 (738)
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  • A domestic route departing from the San Francisco airport (SFO) and arriving at Boston Logan airport (BOS).
  • The flight distance is 2695 miles, or 4338 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 5:37 and 6:03.
All SFO-BOS flights
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