Singapore Airlines
flight
SQ 31:
San Francisco - Singapore Changi
San Francisco - Singapore Changi
FLIGHT SCHEDULE
Direct Flights:
Singapore Airlines SQ31
Valid until 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 17:25, non-stop
Airbus A350-900 (359)
The flight arrives 1 day after departure.
Airbus A350-900 (359)
The flight arrives 1 day after departure.
Direct Flights:
Singapore Airlines SQ31
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 17:25, non-stop
Airbus A350-900 (359)
The flight arrives 1 day after departure.
Airbus A350-900 (359)
The flight arrives 1 day after departure.
Direct Flights:
Singapore Airlines SQ31
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 17:25, non-stop
Airbus A350-900 (359)
The flight arrives 1 day after departure.
Airbus A350-900 (359)
The flight arrives 1 day after departure.
Direct Flights:
Singapore Airlines SQ31
Effective 2026-03-29 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 16:40, non-stop
Airbus A350-900 (359)
The flight arrives 1 day after departure.
Airbus A350-900 (359)
The flight arrives 1 day after departure.
- SQ 31 is an international flight departing from San Francisco airport, United States (SFO) and arriving at Singapore Changi airport, Singapore (SIN).
- The flight distance is 8433 miles, or 13572 km.
- The timezone of the departure airport is UTC-8 , 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 16:40 and 17:25.