El Al flight LY 4227: Boston Logan - San Francisco

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Wed 07:55 Boston Logan (BOS) A 11:40 San Francisco (SFO) 1
LY 4227 Non-stop Airbus A321neo (32Q) 6:45 Effective 2025-05-07 through 2025-06-04
Codeshare flight, operated by Delta Air Lines.(DL 977)
Tue,Thu,Sun 07:55 Boston Logan (BOS) A 11:56 San Francisco (SFO) 1
LY 4227 Non-stop Airbus A321neo (32Q) 7:01 Effective 2025-12-21 through 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 977)
Wed 08:25 Boston Logan (BOS) A 12:09 San Francisco (SFO) 1
LY 4227 Non-stop Airbus A321neo (32Q) 6:44 Effective 2025-06-11 through 2025-07-02
Codeshare flight, operated by Delta Air Lines.(DL 362)
Mon,Thu 19:49 Boston Logan (BOS) A 23:41 San Francisco (SFO) 1
LY 4227 Non-stop Airbus A321neo (32Q) 6:52 Valid until 2025-05-05
Codeshare flight, operated by Delta Air Lines.(DL 475)
Sun 19:49 Boston Logan (BOS) A 23:41 San Francisco (SFO) 1
LY 4227 Non-stop Airbus A321neo (32Q) 6:52 Operates only on 2025-05-04
Codeshare flight, operated by Delta Air Lines.(DL 475)
Mon,Thu,Sun 20:00 Boston Logan (BOS) A 23:59 San Francisco (SFO) 1
LY 4227 Non-stop Airbus A321neo (32Q) 6:59 Effective 2025-07-07 through 2025-08-28
Codeshare flight, operated by Delta Air Lines.(DL 475)
Mon,Thu,Sun 20:00 Boston Logan (BOS) A 23:59 San Francisco (SFO) 1
LY 4227 Non-stop Airbus A321neo (32Q) 6:59 Effective 2025-09-01 through 2025-09-07
Codeshare flight, operated by Delta Air Lines.(DL 475)
Mon,Sun 20:00 Boston Logan (BOS) A 23:58 San Francisco (SFO) 1
LY 4227 Non-stop Airbus A321neo (32Q) 6:58 Effective 2025-09-08 through 2025-09-21
Codeshare flight, operated by Delta Air Lines.(DL 475)
Thu 20:00 Boston Logan (BOS) A 23:58 San Francisco (SFO) 1
LY 4227 Non-stop Airbus A321neo (32Q) 6:58 Effective 2025-09-11 through 2025-09-25
Codeshare flight, operated by Delta Air Lines.(DL 475)
Mon,Sun 20:00 Boston Logan (BOS) A 23:58 San Francisco (SFO) 1
LY 4227 Non-stop Airbus A321neo (32Q) 6:58 Effective 2025-09-28 through 2025-10-05
Codeshare flight, operated by Delta Air Lines.(DL 475)
Wed,Thu,Sun 20:00 Boston Logan (BOS) A 23:58 San Francisco (SFO) 1
LY 4227 Non-stop Airbus A321neo (32Q) 6:58 Effective 2025-10-09 through 2025-10-19
Codeshare flight, operated by Delta Air Lines.(DL 475)
Mon,Thu 20:00 Boston Logan (BOS) A 23:58 San Francisco (SFO) 1
LY 4227 Non-stop Airbus A321neo (32Q) 6:58 Effective 2025-10-20 through 2025-10-23
Codeshare flight, operated by Delta Air Lines.(DL 475)
Mon,Thu,Sun 20:30 Boston Logan (BOS) A 00:16 San Francisco (SFO) 1
LY 4227 Non-stop Airbus A321neo (32Q) 6:46 Effective 2025-05-08 through 2025-05-22
Codeshare flight, operated by Delta Air Lines.(DL 475)
The flight arrives 1 day after departure.
Mon,Thu 20:30 Boston Logan (BOS) A 00:16 San Francisco (SFO) 1
LY 4227 Non-stop Airbus A321neo (32Q) 6:46 Effective 2025-05-26 through 2025-05-29
Codeshare flight, operated by Delta Air Lines.(DL 475)
The flight arrives 1 day after departure.
Thu 20:30 Boston Logan (BOS) A 00:16 San Francisco (SFO) 1
LY 4227 Non-stop Airbus A321neo (32Q) 6:46 Operates only on 2025-06-05
Codeshare flight, operated by Delta Air Lines.(DL 475)
The flight arrives 1 day after departure.
Mon,Thu,Sun 20:31 Boston Logan (BOS) A 00:23 San Francisco (SFO) 1
LY 4227 Non-stop Airbus A321neo (32Q) 6:52 Effective 2025-06-08 through 2025-06-26
Codeshare flight, operated by Delta Air Lines.(DL 475)
The flight arrives 1 day after departure.
Sun 20:31 Boston Logan (BOS) A 00:23 San Francisco (SFO) 1
LY 4227 Non-stop Airbus A321neo (32Q) 6:52 Operates only on 2025-07-06
Codeshare flight, operated by Delta Air Lines.(DL 475)
The flight arrives 1 day after departure.
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El Al flight LY 4227:
Boston Logan - San Francisco
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
El Al LY4227
07:55
Boston Logan (BOS) A

11:40
San Francisco (SFO) 1
Effective 2025-05-07 through 2025-06-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 977)
Duration: 6:45, non-stop
Airbus A321neo (32Q)
El Al LY4227
07:55
Boston Logan (BOS) A

11:56
San Francisco (SFO) 1
Effective 2025-12-21 through 2026-01-04
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 977)
Duration: 7:01, non-stop
Airbus A321neo (32Q)
El Al LY4227
08:25
Boston Logan (BOS) A

12:09
San Francisco (SFO) 1
Effective 2025-06-11 through 2025-07-02
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 362)
Duration: 6:44, non-stop
Airbus A321neo (32Q)
El Al LY4227
19:49
Boston Logan (BOS) A

23:41
San Francisco (SFO) 1
Valid until 2025-05-05
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 475)
Duration: 6:52, non-stop
Airbus A321neo (32Q)
El Al LY4227
19:49
Boston Logan (BOS) A

23:41
San Francisco (SFO) 1
Operates only on 2025-05-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 475)
Duration: 6:52, non-stop
Airbus A321neo (32Q)
El Al LY4227
20:00
Boston Logan (BOS) A

23:59
San Francisco (SFO) 1
Effective 2025-07-07 through 2025-08-28
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 475)
Duration: 6:59, non-stop
Airbus A321neo (32Q)
El Al LY4227
20:00
Boston Logan (BOS) A

23:59
San Francisco (SFO) 1
Effective 2025-09-01 through 2025-09-07
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 475)
Duration: 6:59, non-stop
Airbus A321neo (32Q)
El Al LY4227
20:00
Boston Logan (BOS) A

23:58
San Francisco (SFO) 1
Effective 2025-09-08 through 2025-09-21
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 475)
Duration: 6:58, non-stop
Airbus A321neo (32Q)
El Al LY4227
20:00
Boston Logan (BOS) A

23:58
San Francisco (SFO) 1
Effective 2025-09-11 through 2025-09-25
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 475)
Duration: 6:58, non-stop
Airbus A321neo (32Q)
El Al LY4227
20:00
Boston Logan (BOS) A

23:58
San Francisco (SFO) 1
Effective 2025-09-28 through 2025-10-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 475)
Duration: 6:58, non-stop
Airbus A321neo (32Q)
El Al LY4227
20:00
Boston Logan (BOS) A

23:58
San Francisco (SFO) 1
Effective 2025-10-09 through 2025-10-19
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 475)
Duration: 6:58, non-stop
Airbus A321neo (32Q)
El Al LY4227
20:00
Boston Logan (BOS) A

23:58
San Francisco (SFO) 1
Effective 2025-10-20 through 2025-10-23
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 475)
Duration: 6:58, non-stop
Airbus A321neo (32Q)
El Al LY4227
20:30
Boston Logan (BOS) A

00:16(+1)
San Francisco (SFO) 1
Effective 2025-05-08 through 2025-05-22
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 475)
Duration: 6:46, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
El Al LY4227
20:30
Boston Logan (BOS) A

00:16(+1)
San Francisco (SFO) 1
Effective 2025-05-26 through 2025-05-29
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 475)
Duration: 6:46, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
El Al LY4227
20:30
Boston Logan (BOS) A

00:16(+1)
San Francisco (SFO) 1
Operates only on 2025-06-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 475)
Duration: 6:46, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
El Al LY4227
20:31
Boston Logan (BOS) A

00:23(+1)
San Francisco (SFO) 1
Effective 2025-06-08 through 2025-06-26
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 475)
Duration: 6:52, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
El Al LY4227
20:31
Boston Logan (BOS) A

00:23(+1)
San Francisco (SFO) 1
Operates only on 2025-07-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 475)
Duration: 6:52, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
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Parallax here BOS-SFO
  • LY 4227 is a domestic flight departing from the Boston Logan airport (BOS) and arriving at San Francisco airport (SFO).
  • The flight distance is 2695 miles, or 4338 km.
  • The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-8 . 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 6:44 and 7:01.
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