| LAST SEEN 3 HOUR 23 MINUTES AGO |
 |  |
Departure (SQ31 Flight Schedule)
San Francisco Intl (SFO/KSFO)
San Francisco, United States
09:40 PST
Thu 12-Feb-2026
| LATE 3 hour 26 min |
PST 00:00:00 DAY
Arrival (SQ31 Flight Schedule)
Singapore, Singapore+08 00:00:00 DAY
Flight Radar Checker SQ 31
Live Flight Tracker Map
Flight SQ31 from San Francisco to Singapore is operated by Singapore Airlines. Scheduled time of departure from San Francisco Intl is 09:40 PST and scheduled time of arrival in Changi Intl is 19:05 +08. The duration of the flight is 17 hours 25 minutes.
3.9 out of 5 stars / 34 votes
History Flight Information for SQ31 from Flight Scanner System
| Date | Flight | Departure Airport | Arrival Airport | Scheduled | Plane | Estimated | ||
|---|---|---|---|---|---|---|---|---|
| Departure | Arrival | Departure | Arrival | |||||
| Fri, 13 Feb | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | |||
| Thu, 12 Feb | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 13:21 PST | 08:54 +08 | |
| Wed, 11 Feb | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 10:13 PST | 18:45 +08 | |
| Tue, 10 Feb | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:43 PST | 19:02 +08 | |
| Mon, 09 Feb | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:41 PST | 18:23 +08 | |
| Sun, 08 Feb | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:45 PST | 18:37 +08 | |
| Sat, 07 Feb | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 10:03 PST | 19:04 +08 | |
| Fri, 06 Feb | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 00:49 PST | 19:11 +08 | |
| Thu, 05 Feb | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 17:19 PST | 18:20 +08 | |
| Wed, 04 Feb | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 10:08 PST | 18:41 +08 | |
| Tue, 03 Feb | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:50 PST | 17:09 +08 | |
| Mon, 02 Feb | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:40 PST | 17:13 +08 | |
| Sun, 01 Feb | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:39 PST | 19:57 +08 | |
| Sat, 31 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:42 PST | 04:42 +08 | |
| Fri, 30 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:39 PST | 17:46 +08 | |
| Thu, 29 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:38 PST | 17:10 +08 | |
| Wed, 28 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:40 PST | 17:07 +08 | |
| Tue, 27 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:39 PST | 17:10 +08 | |
| Mon, 26 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 12:18 PST | 16:49 +08 | |
| Sun, 25 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 11:13 PST | 16:30 +08 | |
| Sat, 24 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 11:27 PST | 16:47 +08 | |
| Fri, 23 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 00:13 PST | 16:49 +08 | |
| Thu, 22 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:39 PST | 16:45 +08 | |
| Wed, 21 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:40 PST | 17:00 +08 | |
| Tue, 20 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 10:11 PST | 17:30 +08 | |
| Mon, 19 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:44 PST | 17:15 +08 | |
| Sun, 18 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 15:39 PST | 17:56 +08 | |
| Sat, 17 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:42 PST | 17:58 +08 | |
| Fri, 16 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:40 PST | 18:11 +08 | |
| Thu, 15 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 11:37 PST | 18:25 +08 | |
| Wed, 14 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 23:43 PST | 17:14 +08 | |
| Tue, 13 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:56 PST | 17:24 +08 | |
| Mon, 12 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:42 PST | 17:22 +08 | |
| Sun, 11 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 01:02 PST | 17:41 +08 | |
| Sat, 10 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 00:35 PST | 17:15 +08 | |
| Fri, 09 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 00:32 PST | 17:07 +08 | |
| Thu, 08 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:40 PST | 17:03 +08 | |
| Wed, 07 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:39 PST | 17:07 +08 | |
| Tue, 06 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:39 PST | 16:36 +08 | |
| Mon, 05 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:44 PST | 16:31 +08 | |
| Sun, 04 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 10:24 PST | 16:56 +08 | |
| Sat, 03 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 09:38 PST | 16:15 +08 | |
| Fri, 02 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 10:05 PST | 17:14 +08 | |
| Thu, 01 Jan | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 09:40 PST | 19:05 +08 | 10:50 PST | 17:47 +08 | |
Disclaimer for SQ31 Flight Radar Data
Flight SQ31 from San Francisco Intl to Changi Intl data is collected from different sources. The data is for informational purposes only and PlaneMapper is not responsible for the accuracy and reliability of flight SQ31 data.
