| LAST SEEN 7 MINUTES AGO |
 |  |
Departure (UA28 Flight Schedule)
Singapore, Singapore+08 00:00:00 DAY
Arrival (UA28 Flight Schedule)
San Francisco Intl (SFO/KSFO)
San Francisco, United States
22:15 PDT
Tue 28-Oct-2025
| LATE 1 hour 12 min |
PDT 00:00:00 DAY
Flight Radar Checker UA 28
Live Flight Tracker Map
Flight UA28 from Singapore to San Francisco is operated by United Airlines. Scheduled time of departure from Changi Intl is 22:20 +08 and scheduled time of arrival in San Francisco Intl is 22:15 PDT. The duration of the flight is 14 hours 55 minutes.
3.9 out of 5 stars / 14 votes
History Flight Information for UA28 from Flight Scanner System
| Date | Flight | Departure Airport | Arrival Airport | Scheduled | Plane | Estimated | ||
|---|---|---|---|---|---|---|---|---|
| Departure | Arrival | Departure | Arrival | |||||
| Tue, 28 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 22:20 +08 | 22:15 PDT | 23:24 +08 | 17:41 PDT | |
| Mon, 27 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 22:20 +08 | 22:15 PDT | 22:42 +08 | 21:49 PDT | |
| Sun, 26 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 22:20 +08 | 22:15 PDT | 23:50 +08 | 22:45 PDT | |
| Sat, 25 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N36962 (Boeing B789) | 21:09 +08 | 21:06 PDT |
| Fri, 24 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N27959 (Boeing B789) | 23:21 +08 | 19:57 PDT |
| Thu, 23 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N29961 (Boeing Charleston SC B789) | 20:55 +08 | 19:49 PDT |
| Wed, 22 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 20:49 +08 | 20:42 PDT | |
| Tue, 21 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N27959 (Boeing B789) | 21:31 +08 | 21:02 PDT |
| Mon, 20 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N27957 (Boeing B789) | 22:20 +08 | 21:07 PDT |
| Sun, 19 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 21:03 +08 | 20:31 PDT | |
| Sat, 18 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 21:21 +08 | 20:18 PDT | |
| Fri, 17 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N26966 (Boeing B789) | 21:18 +08 | 21:12 PDT |
| Thu, 16 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 21:37 +08 | 21:27 PDT | |
| Wed, 15 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 01:00 +08 | 19:58 PDT | |
| Tue, 14 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 00:59 +08 | 20:02 PDT | |
| Mon, 13 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 23:16 +08 | 21:48 PDT | |
| Sun, 12 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 00:02 +08 | 21:23 PDT | |
| Sat, 11 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N38955 (Boeing Charleston B789) | 11:58 +08 | 21:29 PDT |
| Fri, 10 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 23:36 +08 | 14:55 PDT | |
| Thu, 09 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 21:36 +08 | 21:54 PDT | |
| Wed, 08 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | |||
| Tue, 07 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N17963 (Boeing B789) | 21:02 +08 | 23:10 PDT |
| Mon, 06 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N29961 (Boeing Charleston SC B789) | 21:59 +08 | 21:45 PDT |
| Sun, 05 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N27964 (Boeing B789) | 23:38 +08 | 21:11 PDT |
| Sat, 04 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 02:13 +08 | 15:31 PDT | |
| Fri, 03 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 20:24 +08 | 10:07 PDT | |
| Thu, 02 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 23:35 +08 | 19:46 PDT | |
| Wed, 01 Oct | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N24974 ( B789) | 21:18 +08 | 21:09 PDT |
| Tue, 30 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 22:04 +08 | 13:17 PDT | |
| Mon, 29 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N36962 (Boeing B789) | 21:26 +08 | 21:14 PDT |
| Sun, 28 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N19951 (Boeing B789) | 00:23 +08 | 14:38 PDT |
| Sat, 27 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N19951 (Boeing B789) | 01:17 +08 | 22:13 PDT |
| Fri, 26 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 22:32 +08 | 21:17 PDT | |
| Thu, 25 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 21:07 +08 | 13:22 PDT | |
| Thu, 25 Sep | UA28 | Honolulu Intl (HNL) | San Francisco Intl (SFO) | 16:03 HST | 23:56 PDT | N15969 (Boeing B789) | 16:42 HST | 23:43 PDT |
| Wed, 24 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 21:29 +08 | 21:48 PDT | |
| Tue, 23 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N45956 (Boeing B789) | 22:14 +08 | 20:44 PDT |
| Mon, 22 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 23:41 +08 | 21:16 PDT | |
| Sun, 21 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 21:20 +08 | 21:26 PDT | |
| Sat, 20 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N15969 (Boeing B789) | 21:07 +08 | 20:13 PDT |
| Fri, 19 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 20:51 +08 | 20:24 PDT | |
| Thu, 18 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N26970 (Boeing B789) | 21:19 +08 | 21:02 PDT |
| Wed, 17 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N17963 (Boeing B789) | 22:51 +08 | 21:21 PDT |
| Tue, 16 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N38955 (Boeing Charleston B789) | 23:42 +08 | 20:40 PDT |
| Mon, 15 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 21:43 +08 | 21:14 PDT | |
| Sun, 14 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 22:08 +08 | 21:31 PDT | |
| Sat, 13 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N15969 (Boeing B789) | 21:27 +08 | 21:18 PDT |
| Fri, 12 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N35953 (Boeing Charleston B789) | 00:08 +08 | 21:23 PDT |
| Thu, 11 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 22:44 +08 | 21:04 PDT | |
| Wed, 10 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N15969 (Boeing B789) | 01:24 +08 | 20:41 PDT |
| Tue, 09 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N24973 ( B789) | 01:05 +08 | 20:17 PDT |
| Mon, 08 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N29968 (Boeing B789) | 01:17 +08 | 20:34 PDT |
| Sun, 07 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 23:23 +08 | 20:41 PDT | |
| Sat, 06 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N24973 ( B789) | 22:43 +08 | 21:29 PDT |
| Fri, 05 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 23:51 +08 | 21:39 PDT | |
| Thu, 04 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | |||
| Wed, 03 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 23:56 +08 | 21:10 PDT | |
| Tue, 02 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | N26967 (Boeing B789) | 23:05 +08 | 21:48 PDT |
| Mon, 01 Sep | UA28 | Changi Intl (SIN) | San Francisco Intl (SFO) | 20:40 +08 | 21:10 PDT | 00:46 +08 | 22:19 PDT | |
Disclaimer for UA28 Flight Radar Data
Flight UA28 from Changi Intl to San Francisco 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 UA28 data.
