El Al flight LY 4578: Boston Logan - San Francisco

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Thu,Fri,Sun 16:30 Boston Logan (BOS) A 20:27 San Francisco (SFO) 1
LY 4578 Non-stop Airbus A321neo (32Q) 6:57 Effective 2025-07-10 through 2025-08-29
Codeshare flight, operated by Delta Air Lines.(DL 1655)
Thu,Fri,Sun 16:30 Boston Logan (BOS) A 20:27 San Francisco (SFO) 1
LY 4578 Non-stop Airbus A321neo (32Q) 6:57 Effective 2025-09-04 through 2025-09-07
Codeshare flight, operated by Delta Air Lines.(DL 1655)
Thu,Fri,Sun 16:30 Boston Logan (BOS) A 20:28 San Francisco (SFO) 1
LY 4578 Non-stop Airbus A321neo (32Q) 6:58 Effective 2025-09-11 through 2025-09-28
Codeshare flight, operated by Delta Air Lines.(DL 1655)
Thu,Fri,Sun 16:30 Boston Logan (BOS) A 20:28 San Francisco (SFO) 1
LY 4578 Non-stop Airbus A321neo (32Q) 6:58 Effective 2025-10-05 through 2025-10-12
Codeshare flight, operated by Delta Air Lines.(DL 1655)
Wed-Fri,Sun 16:30 Boston Logan (BOS) A 20:28 San Francisco (SFO) 1
LY 4578 Non-stop Airbus A321neo (32Q) 6:58 Effective 2025-10-15 through 2025-10-19
Codeshare flight, operated by Delta Air Lines.(DL 1655)
Thu,Fri 16:30 Boston Logan (BOS) A 20:28 San Francisco (SFO) 1
LY 4578 Non-stop Airbus A321neo (32Q) 6:58 Effective 2025-10-23 through 2025-10-24
Codeshare flight, operated by Delta Air Lines.(DL 1655)
Thu,Fri,Sun 16:55 Boston Logan (BOS) A 20:40 San Francisco (SFO) 1
LY 4578 Non-stop Airbus A321neo (32Q) 6:45 Effective 2025-05-08 through 2025-05-30
Codeshare flight, operated by Delta Air Lines.(DL 1655)
Thu,Fri 16:55 Boston Logan (BOS) A 20:40 San Francisco (SFO) 1
LY 4578 Non-stop Airbus A321neo (32Q) 6:45 Effective 2025-06-05 through 2025-06-06
Codeshare flight, operated by Delta Air Lines.(DL 1655)
Mon,Thu 17:00 Boston Logan (BOS) A 20:50 San Francisco (SFO) 1
LY 4578 Non-stop Airbus A321neo (32Q) 6:50 Valid until 2025-05-01
Codeshare flight, operated by Delta Air Lines.(DL 1655)
Fri,Sun 17:00 Boston Logan (BOS) A 20:50 San Francisco (SFO) 1
LY 4578 Non-stop Airbus A321neo (32Q) 6:50 Effective 2025-05-02 through 2025-05-04
Codeshare flight, operated by Delta Air Lines.(DL 1655)
Thu,Fri,Sun 17:00 Boston Logan (BOS) A 20:50 San Francisco (SFO) 1
LY 4578 Non-stop Airbus A321neo (32Q) 6:50 Effective 2025-06-08 through 2025-06-27
Codeshare flight, operated by Delta Air Lines.(DL 1655)
Sun 17:00 Boston Logan (BOS) A 20:50 San Francisco (SFO) 1
LY 4578 Non-stop Airbus A321neo (32Q) 6:50 Operates only on 2025-07-06
Codeshare flight, operated by Delta Air Lines.(DL 1655)
Sun 17:30 Boston Logan (BOS) A 21:27 San Francisco (SFO) 1
LY 4578 Non-stop Airbus A321neo (32Q) 6:57 Operates only on 2025-08-31
Codeshare flight, operated by Delta Air Lines.(DL 1655)
Thu,Sun 17:35 Boston Logan (BOS) A 21:33 San Francisco (SFO) 1
LY 4578 Non-stop Airbus A321neo (32Q) 6:58 Effective 2025-06-29 through 2025-07-03
Codeshare flight, operated by Delta Air Lines.(DL 1655)
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El Al flight LY 4578:
Boston Logan - San Francisco
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

El Al LY4578
Effective 2025-07-10 through 2025-08-29
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1655)
Duration: 6:57, non-stop
Airbus A321neo (32Q)

El Al LY4578
Effective 2025-09-04 through 2025-09-07
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1655)
Duration: 6:57, non-stop
Airbus A321neo (32Q)

El Al LY4578
Effective 2025-09-11 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1655)
Duration: 6:58, non-stop
Airbus A321neo (32Q)

El Al LY4578
Effective 2025-10-05 through 2025-10-12
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1655)
Duration: 6:58, non-stop
Airbus A321neo (32Q)

El Al LY4578
Effective 2025-10-15 through 2025-10-19
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1655)
Duration: 6:58, non-stop
Airbus A321neo (32Q)

El Al LY4578
Effective 2025-10-23 through 2025-10-24
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1655)
Duration: 6:58, non-stop
Airbus A321neo (32Q)

El Al LY4578
Effective 2025-05-08 through 2025-05-30
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1655)
Duration: 6:45, non-stop
Airbus A321neo (32Q)

El Al LY4578
Effective 2025-06-05 through 2025-06-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1655)
Duration: 6:45, non-stop
Airbus A321neo (32Q)

El Al LY4578
Valid until 2025-05-01
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1655)
Duration: 6:50, non-stop
Airbus A321neo (32Q)

El Al LY4578
Effective 2025-05-02 through 2025-05-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1655)
Duration: 6:50, non-stop
Airbus A321neo (32Q)

El Al LY4578
Effective 2025-06-08 through 2025-06-27
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1655)
Duration: 6:50, non-stop
Airbus A321neo (32Q)

El Al LY4578
Operates only on 2025-07-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1655)
Duration: 6:50, non-stop
Airbus A321neo (32Q)

El Al LY4578
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1655)
Duration: 6:57, non-stop
Airbus A321neo (32Q)

El Al LY4578
Effective 2025-06-29 through 2025-07-03
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1655)
Duration: 6:58, non-stop
Airbus A321neo (32Q)
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  • LY 4578 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 6:45 and 6:58.