SQ31 Singapore Airlines
SQ31 Singapore Airlines from San Francisco (SFO) to Singapore (SIN): usually departs 11:45, 16 h 25 min, A359. Usual times, aircraft, on-time record and miles earned over the last 30 days.
| Route | Flights recorded | Usually departs | Usually arrives | Scheduled time | Aircraft | Within 15 min |
|---|---|---|---|---|---|---|
| SFO → SIN | 30 | 11:45 | 19:10 | 16 h 25 min | A359 | 0% of 17 graded |
Latest flights of SQ31, by local departure date
- Tue, 3 Nov 2026: SFO → SIN
- Mon, 2 Nov 2026: SFO → SIN
- Sun, 1 Nov 2026: SFO → SIN
- Sat, 31 Oct 2026: SFO → SIN
- Fri, 30 Oct 2026: SFO → SIN
About Singapore Airlines flight SQ31
Tierleap recorded 30 scheduled Singapore Airlines SQ31 flights from San Francisco International Airport (SFO) to Singapore Changi Airport (SIN) in the last 30 days. It usually leaves San Francisco at 11:45 local time and arrives in Singapore at 19:10 local time, a scheduled 16 h 25 min. Aircraft types recorded: A359 (30 flights). Of 17 SQ31 flights from SFO to SIN with a final arrival time, 0 (0%) arrived no more than 15 minutes after schedule.
At Singapore Changi Airport (SIN), Tierleap's gate arrival forecast (Tierleap model) has a measured error of 9.2 minutes over 30 graded flights and landing forecast (Tierleap model) has a measured error of 11.1 minutes over 80 graded flights in the last 2 days.
SQ31 from SFO to SIN is about 8,439 miles flown. On Singapore Airlines, KrisFlyer credits 4,220 miles in G class and up to 16,878 in A class, from its earning table.
On Singapore Airlines, Royal Orchid Plus credits 6,329 miles in H class and up to 12,659 in A class, from its earning table.
Questions about SQ31
What time does SQ31 depart?
From San Francisco International Airport (SFO) to Singapore Changi Airport (SIN), SQ31 usually leaves San Francisco at 11:45 local time and arrives in Singapore at 19:10 local time.
How long is flight SQ31?
The scheduled time of SQ31 from SFO to SIN is 16 h 25 min, the median of the last 30 days.
What aircraft does SQ31 use?
Aircraft types recorded: A359 (30 flights).
Is SQ31 usually on time?
Of 17 SQ31 flights from SFO to SIN with a final arrival time, 0 (0%) arrived no more than 15 minutes after schedule.
How accurate is Tierleap's forecast for SQ31?
At Singapore Changi Airport (SIN), Tierleap's gate arrival forecast (Tierleap model) has a measured error of 9.2 minutes over 30 graded flights and landing forecast (Tierleap model) has a measured error of 11.1 minutes over 80 graded flights in the last 2 days.
How many KrisFlyer miles does SQ31 earn?
SQ31 from SFO to SIN is about 8,439 miles flown. On Singapore Airlines, KrisFlyer credits 4,220 miles in G class and up to 16,878 in A class, from its earning table.
How many Royal Orchid Plus miles does SQ31 earn?
SQ31 from SFO to SIN is about 8,439 miles flown. On Singapore Airlines, Royal Orchid Plus credits 6,329 miles in H class and up to 12,659 in A class, from its earning table.