| LAST SEEN 6 HOUR 15 MINUTES AGO |
 |  |
Departure (SQ31 Flight Schedule)
San Francisco Intl (SFO/KSFO)
San Francisco, United States
12:00 PDT
Wed 17-Sep-2025
| LATE 2 hour 8 min |
PDT 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 12:00 PDT and scheduled time of arrival in Changi Intl is 19:10 +08. The duration of the flight is 16 hours 10 minutes.
3.9 out of 5 stars / 34 votes
Flight Finder
from Singapore to San Francisco
History Flight Information for SQ31 from Flight Scanner System
| Date | Flight | Departure Airport | Arrival Airport | Scheduled | Plane | Estimated | ||
|---|---|---|---|---|---|---|---|---|
| Departure | Arrival | Departure | Arrival | |||||
| Thu, 18 Sep | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | |||
| Wed, 17 Sep | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 14:23 PDT | 06:20 +08 | |
| Tue, 16 Sep | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 12:00 PDT | 18:47 +08 | |
| Mon, 15 Sep | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 00:52 PDT | 19:04 +08 | |
| Sun, 14 Sep | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 15:26 PDT | 18:58 +08 | |
| Sat, 13 Sep | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 12:02 PDT | 19:15 +08 | |
| Fri, 12 Sep | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 12:25 PDT | 19:03 +08 | |
| Thu, 11 Sep | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 01:04 PDT | 17:39 +08 | |
| Wed, 10 Sep | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 14:51 PDT | 17:25 +08 | |
| Tue, 09 Sep | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 12:13 PDT | 17:50 +08 | |
| Mon, 08 Sep | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 12:39 PDT | 17:32 +08 | |
| Sun, 07 Sep | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 13:45 PDT | 18:58 +08 | |
| Sat, 06 Sep | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 16:49 PDT | 17:12 +08 | |
| Fri, 05 Sep | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 12:08 PDT | 18:20 +08 | |
| Thu, 04 Sep | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 00:39 PDT | 17:14 +08 | |
| Wed, 03 Sep | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 00:38 PDT | 17:11 +08 | |
| Tue, 02 Sep | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 12:12 PDT | 17:06 +08 | |
| Mon, 01 Sep | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 13:15 PDT | 18:43 +08 | |
| Sun, 31 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 12:09 PDT | 03:52 +08 | |
| Sat, 30 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 20:21 PDT | 18:29 +08 | |
| Fri, 29 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 12:01 PDT | 19:05 +08 | |
| Thu, 28 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 02:09 PDT | 18:59 +08 | |
| Wed, 27 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 01:46 PDT | 18:35 +08 | |
| Tue, 26 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 12:01 PDT | 18:52 +08 | |
| Mon, 25 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 12:03 PDT | 17:21 +08 | |
| Sun, 24 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 14:07 PDT | 19:18 +08 | |
| Sat, 23 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 14:01 PDT | 17:23 +08 | |
| Fri, 22 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 13:56 PDT | 18:50 +08 | |
| Thu, 21 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 12:03 PDT | 18:33 +08 | |
| Wed, 20 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 12:02 PDT | 18:29 +08 | |
| Tue, 19 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 12:01 PDT | 18:43 +08 | |
| Mon, 18 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 11:58 PDT | 18:46 +08 | |
| Sun, 17 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 00:41 PDT | 18:48 +08 | |
| Sat, 16 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 12:22 PDT | 19:19 +08 | |
| Fri, 15 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 11:59 PDT | 18:25 +08 | |
| Thu, 14 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 11:58 PDT | 18:35 +08 | |
| Wed, 13 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 20:02 PDT | 18:15 +08 | |
| Tue, 12 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 12:03 PDT | 16:50 +08 | |
| Mon, 11 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 12:47 PDT | 17:24 +08 | |
| Sun, 10 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 12:16 PDT | 15:03 +08 | |
| Sat, 09 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 12:37 PDT | 18:13 +08 | |
| Fri, 08 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 10:15 PDT | 17:55 +08 | 10:36 PDT | 16:03 +08 | |
| Thu, 07 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 12:01 PDT | 17:08 +08 | |
| Wed, 06 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 00:26 PDT | 18:15 +08 | |
| Tue, 05 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 23:59 PDT | 18:26 +08 | |
| Mon, 04 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 00:24 PDT | 18:15 +08 | |
| Sun, 03 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 00:51 PDT | 18:45 +08 | |
| Sat, 02 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 12:00 PDT | 19:10 +08 | 00:49 PDT | 18:33 +08 | |
| Fri, 01 Aug | SQ31 | San Francisco Intl (SFO) | Changi Intl (SIN) | 10:15 PDT | 17:55 +08 | 10:13 PDT | 16:50 +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.
