Singapore Airlines flight SQ 1421: Newark Liberty, New York - San Francisco

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Wed,Fri,Sat 15:29 Newark Liberty, New York (EWR) B 19:02 San Francisco (SFO) 1
SQ 1421 Non-stop Boeing 737 MAX 9 (7M9) 6:33 Valid until 2025-05-03
Codeshare flight, operated by Alaska Airlines.(AS 293)
Tue,Thu,Sun 15:29 Newark Liberty, New York (EWR) B 19:02 San Francisco (SFO) 1
SQ 1421 Non-stop Boeing 737 (73J) 6:33 Valid until 2025-05-04
Codeshare flight, operated by Alaska Airlines.(AS 293)
Mon,Tue,Fri 15:29 Newark Liberty, New York (EWR) B 19:02 San Francisco (SFO) 1
SQ 1421 Non-stop Boeing 737 (73J) 6:33 Effective 2025-05-05 through 2025-05-13
Codeshare flight, operated by Alaska Airlines.(AS 293)
Wed,Thu,Sat,Sun 15:29 Newark Liberty, New York (EWR) B 19:02 San Francisco (SFO) 1
SQ 1421 Non-stop Boeing 737 MAX 9 (7M9) 6:33 Effective 2025-05-07 through 2025-05-11
Codeshare flight, operated by Alaska Airlines.(AS 293)
Wed 15:29 Newark Liberty, New York (EWR) B 19:02 San Francisco (SFO) 1
SQ 1421 Non-stop Boeing 737 (73J) 6:33 Operates only on 2025-05-14
Codeshare flight, operated by Alaska Airlines.(AS 293)
Daily 15:29 Newark Liberty, New York (EWR) B 18:58 San Francisco (SFO) 1
SQ 1421 Non-stop Boeing 737 MAX 9 (7M9) 6:29 Effective 2025-05-15 through 2025-05-31
Codeshare flight, operated by Alaska Airlines.(AS 217)
Tue,Sun 15:29 Newark Liberty, New York (EWR) B 18:58 San Francisco (SFO) 1
SQ 1421 Non-stop Boeing 737 (73J) 6:29 Effective 2025-06-01 through 2025-06-03
Codeshare flight, operated by Alaska Airlines.(AS 217)
Mon,Wed-Sun 15:29 Newark Liberty, New York (EWR) B 18:58 San Francisco (SFO) 1
SQ 1421 Non-stop Boeing 737 MAX 9 (7M9) 6:29 Effective 2025-06-02 through 2025-06-09
Codeshare flight, operated by Alaska Airlines.(AS 217)
Tue,Wed 15:29 Newark Liberty, New York (EWR) B 18:58 San Francisco (SFO) 1
SQ 1421 Non-stop Boeing 737 (73J) 6:29 Effective 2025-06-10 through 2025-06-11
Codeshare flight, operated by Alaska Airlines.(AS 217)
Daily 16:00 Newark Liberty, New York (EWR) B 19:26 San Francisco (SFO) 1
SQ 1421 Non-stop Boeing 737 (73J) 6:26 Effective 2025-10-26 through 2025-11-01
Codeshare flight, operated by Alaska Airlines.(AS 220)


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Singapore Airlines flight SQ 1421:
Newark Liberty, New York - San Francisco
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Singapore Airlines SQ1421
15:29
Newark Liberty, New York (EWR) B

19:02
San Francisco (SFO) 1
Valid until 2025-05-03
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 293)
Duration: 6:33, non-stop
Boeing 737 MAX 9 (7M9)
Singapore Airlines SQ1421
15:29
Newark Liberty, New York (EWR) B

19:02
San Francisco (SFO) 1
Valid until 2025-05-04
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 293)
Duration: 6:33, non-stop
Boeing 737 (73J)
Singapore Airlines SQ1421
15:29
Newark Liberty, New York (EWR) B

19:02
San Francisco (SFO) 1
Effective 2025-05-05 through 2025-05-13
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 293)
Duration: 6:33, non-stop
Boeing 737 (73J)
Singapore Airlines SQ1421
15:29
Newark Liberty, New York (EWR) B

19:02
San Francisco (SFO) 1
Effective 2025-05-07 through 2025-05-11
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 293)
Duration: 6:33, non-stop
Boeing 737 MAX 9 (7M9)
Singapore Airlines SQ1421
15:29
Newark Liberty, New York (EWR) B

19:02
San Francisco (SFO) 1
Operates only on 2025-05-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 293)
Duration: 6:33, non-stop
Boeing 737 (73J)
Singapore Airlines SQ1421
15:29
Newark Liberty, New York (EWR) B

18:58
San Francisco (SFO) 1
Effective 2025-05-15 through 2025-05-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 217)
Duration: 6:29, non-stop
Boeing 737 MAX 9 (7M9)
Singapore Airlines SQ1421
15:29
Newark Liberty, New York (EWR) B

18:58
San Francisco (SFO) 1
Effective 2025-06-01 through 2025-06-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 217)
Duration: 6:29, non-stop
Boeing 737 (73J)
Singapore Airlines SQ1421
15:29
Newark Liberty, New York (EWR) B

18:58
San Francisco (SFO) 1
Effective 2025-06-02 through 2025-06-09
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 217)
Duration: 6:29, non-stop
Boeing 737 MAX 9 (7M9)
Singapore Airlines SQ1421
15:29
Newark Liberty, New York (EWR) B

18:58
San Francisco (SFO) 1
Effective 2025-06-10 through 2025-06-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 217)
Duration: 6:29, non-stop
Boeing 737 (73J)
Singapore Airlines SQ1421
16:00
Newark Liberty, New York (EWR) B

19:26
San Francisco (SFO) 1
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 220)
Duration: 6:26, non-stop
Boeing 737 (73J)
  • SQ 1421 is a domestic flight departing from the Newark Liberty, New York airport (EWR) and arriving at San Francisco airport (SFO).
  • The flight distance is 2557 miles, or 4115 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 6:26 and 6:33.
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