Singapore Airlines
flight
SQ 1257:
New York John F. Kennedy - San Francisco
New York John F. Kennedy - San Francisco
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
FLIGHT SCHEDULE
Direct Codeshare Flights:
Singapore Airlines SQ1257
Effective 2025-05-15 through 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 33)
Duration: 6:29, non-stop Boeing 737 (73J)
Singapore Airlines SQ1257
Operates only on 2025-05-17
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by Alaska Airlines.
(AS 33)
Duration: 6:29, non-stop Boeing 737 MAX 9 (7M9)
Singapore Airlines SQ1257
Effective 2025-05-24 through 2025-06-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 33)
Duration: 6:29, non-stop Boeing 737 (73J)
Singapore Airlines SQ1257
Effective 2025-06-09 through 2025-06-10
Mon
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by Alaska Airlines.
(AS 33)
Duration: 6:29, non-stop Boeing 737-800 (73H)
Singapore Airlines SQ1257
Operates only on 2025-06-11
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by Alaska Airlines.
(AS 33)
Duration: 6:29, non-stop Boeing 737 (73J)
Singapore Airlines SQ1257
Effective 2025-10-04 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 33)
Duration: 6:28, non-stop Boeing 737 (73J)
Singapore Airlines SQ1257
Effective 2025-11-21 through 2025-12-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 212)
Duration: 6:28, non-stop Boeing 737 (73J)
Singapore Airlines SQ1257
Effective 2025-12-18 through 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 212)
Duration: 6:28, non-stop Boeing 737 (73J)
Singapore Airlines SQ1257
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 212)
Duration: 6:40, non-stop Boeing 737 (73J)
Singapore Airlines SQ1257
Valid until 2025-05-04
Mon
Tue
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 33)
Duration: 6:34, non-stop Boeing 737 (73J)
Singapore Airlines SQ1257
Valid until 2025-05-12
Mon
Tue
Wed
Thu
-
-
Fri
Sat
Sun
-
-
Codeshare flight, operated by Alaska Airlines.
(AS 33)
Duration: 6:34, non-stop Boeing 737 MAX 9 (7M9)
Singapore Airlines SQ1257
Effective 2025-05-08 through 2025-05-13
Mon
-
-
Tue
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by Alaska Airlines.
(AS 33)
Duration: 6:34, non-stop Boeing 737 (73J)
Singapore Airlines SQ1257
Operates only on 2025-05-14
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by Alaska Airlines.
(AS 33)
Duration: 6:34, non-stop Boeing 737 MAX 9 (7M9)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here JFK-SFO
- SQ 1257 is a domestic flight departing from the New York John F. Kennedy airport (JFK) and arriving at San Francisco airport (SFO).
- The flight distance is 2578 miles, or 4149 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 6:28 and 6:40.