Flight
UAL2831
Flight history and live tracking for UAL2831, operated by United Airlines. Recent flights from the PlaneTrack independent receiver network, with departure and arrival times, aircraft used, and a real-time position feed.
Next flight
| Date | Sun 04 Oct 2026 |
| Route | KSEA SEATTLE TACOMA INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL |
| Scheduled departure | 09:05 PDT |
| Also scheduled | Sun 04 Oct 14:25 PDT |
Scheduled and estimated times from the FAA SWIM feed, local to each airport.
Route
| Airline | United Airlines |
| Typical origin | KSEA SEATTLE TACOMA INTERNATIONAL |
| Typical destination | KSFO SAN FRANCISCO INTERNATIONAL |
| Distance | 590 nm |
Flight history 144 flights since May 2026
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-10-03 | KSEA SEATTLE TACOMA INTERNATIONAL | KSFO SAN FRANCISCO INTERNATIONAL | 09:35 PDT | 11:22 PDT | 1h 47m | N488UA |
| 2026-10-02 | KSEA SEATTLE TACOMA INTERNATIONAL | KSFO SAN FRANCISCO INTERNATIONAL | 14:39 PDT | 16:17 PDT | 1h 38m | N4901U |
| 2026-10-01 | KSFO SAN FRANCISCO INTERNATIONAL | KIAH GEORGE BUSH INTCNTL HOUSTON | 15:09 PDT | 21:15 CDT | 4h 06m | N17456 |
| 2026-10-01 | KSEA SEATTLE TACOMA INTERNATIONAL | KSFO SAN FRANCISCO INTERNATIONAL | 10:30 PDT | 12:09 PDT | 1h 39m | N4901U |
| 2026-09-30 | KSFO SAN FRANCISCO INTERNATIONAL | KIAH GEORGE BUSH INTCNTL HOUSTON | 14:30 PDT | 19:49 CDT | 3h 19m | N77590 |
| 2026-09-30 | KSEA SEATTLE TACOMA INTERNATIONAL | KSFO SAN FRANCISCO INTERNATIONAL | 09:23 PDT | 11:03 PDT | 1h 40m | N439UA |
| 2026-09-29 | KSFO SAN FRANCISCO INTERNATIONAL | KIAH GEORGE BUSH INTCNTL HOUSTON | 14:43 PDT | 20:09 CDT | 3h 26m | N27586 |
| 2026-09-29 | KSEA SEATTLE TACOMA INTERNATIONAL | KSFO SAN FRANCISCO INTERNATIONAL | 09:39 PDT | 11:16 PDT | 1h 37m | N465UA |
| 2026-09-28 | KSFO SAN FRANCISCO INTERNATIONAL | KIAH GEORGE BUSH INTCNTL HOUSTON | 15:32 PDT | 20:44 CDT | 3h 12m | N17454 |
| 2026-09-28 | KSEA SEATTLE TACOMA INTERNATIONAL | KSFO SAN FRANCISCO INTERNATIONAL | 09:52 PDT | 11:18 PDT | 1h 26m | N435UA |
| 2026-09-27 | KSFO SAN FRANCISCO INTERNATIONAL | KIAH GEORGE BUSH INTCNTL HOUSTON | 15:26 PDT | 20:37 CDT | 3h 11m | N37447 |
| 2026-09-27 | KSEA SEATTLE TACOMA INTERNATIONAL | KSFO SAN FRANCISCO INTERNATIONAL | 11:09 PDT | 12:50 PDT | 1h 41m | N837UA |
| 2026-09-26 | KSFO SAN FRANCISCO INTERNATIONAL | KIAH GEORGE BUSH INTCNTL HOUSTON | 14:57 PDT | 20:08 CDT | 3h 11m | N57478 |
| 2026-09-26 | KSEA SEATTLE TACOMA INTERNATIONAL | KSFO SAN FRANCISCO INTERNATIONAL | 10:25 PDT | 12:04 PDT | 1h 39m | N443UA |
| 2026-09-25 | KSFO SAN FRANCISCO INTERNATIONAL | KIAH GEORGE BUSH INTCNTL HOUSTON | 15:01 PDT | 20:18 CDT | 3h 17m | N27474 |
| 2026-09-25 | KSEA SEATTLE TACOMA INTERNATIONAL | KSFO SAN FRANCISCO INTERNATIONAL | 10:41 PDT | 12:29 PDT | 1h 48m | N446UA |
| 2026-09-24partial | KSFO | ? | 15:28 PDT | N57478 | ||
| 2026-09-24partial | KSFO | ? | 11:46 PDT | N443UA | ||
| 2026-09-24partial | KSEA | ? | 17:00 PDT | N27515 | ||
| 2026-09-23partial | KSFO | ? | 14:50 PDT | N27515 | ||
| 2026-09-23partial | KSEA | ? | 17:00 PDT | N37450 | ||
| 2026-09-22partial | KSFO | ? | 14:46 PDT | A445C7 | ||
| 2026-09-22partial | KSEA | ? | 17:00 PDT | N17421 | ||
| 2026-09-21partial | KSFO | ? | 15:04 PDT | N17421 | ||
| 2026-09-21partial | KSEA | ? | 17:00 PDT | N37513 | ||
| 2026-09-20partial | KSFO | ? | 15:54 PDT | N37513 | ||
| 2026-09-20partial | KSEA | ? | 17:00 PDT | N17550 | ||
| 2026-09-18partial | KSFO | ? | 15:17 PDT | A2B83B | ||
| 2026-09-18partial | KSEA | ? | 17:00 PDT | A12A82 | ||
| 2026-09-17estimated | ? | ? | 21:56Z | 23:58Z | 2h 01m | A12A82 |
| 2026-09-17partial | ? | ? | 00:00Z | N37556 | ||
| 2026-09-16estimated | ? | ? | 21:39Z | 23:58Z | 2h 19m | N37556 |
| 2026-09-16estimated | ? | ? | 00:21Z | 18:10Z | 17h 48m | N17421 |
| 2026-09-15estimated | ? | ? | 21:27Z | 23:58Z | 2h 30m | N17421 |
| 2026-09-15partial | KIAH | ? | 22:42 CDT | A2B8C4 | ||
| 2026-09-15partial | KIAH | ? | 19:00 CDT | A2B8C4 | ||
| 2026-09-14estimated | ? | ? | 21:23Z | 23:58Z | 2h 34m | A2B8C4 |
| 2026-09-14partial | ? | ? | 00:00Z | A12AC2 | ||
| 2026-09-13estimated | ? | ? | 21:49Z | 23:58Z | 2h 08m | A12AC2 |
| 2026-09-13 | KSEA | KSFO | 09:42 PDT | 11:36 PDT | 1h 53m | N487UA |
| 2026-09-12partial | ? | ? | 00:00Z | A12AA4 | ||
| 2026-09-11estimated | ? | ? | 21:19Z | 23:58Z | 2h 38m | A12AA4 |
| 2026-09-11partial | ? | ? | 00:27Z | A5D28C | ||
| 2026-09-10partial | KSFO | ? | 14:21 PDT | A5D28C | ||
| 2026-09-10 | KIAH | KSFO | 22:31 CDT | 11:18 PDT | 14h 47m | A445C7 |
| 2026-09-10partial | KIAH | ? | 19:00 CDT | A445C7 | ||
| 2026-09-09estimated | ? | ? | 21:24Z | 23:58Z | 2h 33m | A445C7 |
| 2026-09-09estimated | KBFI | KSFO | 09:35 PDT | 11:24 PDT | 1h 48m | N457UA |
| 2026-09-09partial | KIAH | ? | 19:00 CDT | A2BC5A | ||
| 2026-09-08estimated | ? | ? | 21:26Z | 23:58Z | 2h 31m | A2BC5A |
| 2026-09-08 | KSEA | KSFO | 09:33 PDT | 11:26 PDT | 1h 52m | N481UA |
| 2026-09-08partial | KIAH | ? | 19:00 CDT | N27520 | ||
| 2026-09-07partial | KSFO | ? | 15:32 PDT | N27520 | ||
| 2026-09-07partial | KIAH | ? | 21:42 CDT | AA7F2B | ||
| 2026-09-07partial | KIAH | ? | 19:12 CDT | AA7F2B | ||
| 2026-09-06estimated | ? | ? | 21:27Z | 23:16Z | 1h 49m | AA7F2B |
| 2026-09-06 | KSEA | KSFO | 09:46 PDT | 11:24 PDT | 1h 37m | N466UA |
| 2026-09-06partial | KIAH | ? | 19:02 CDT | N47505 | ||
| 2026-09-05estimated | ? | ? | 21:19Z | 23:48Z | 2h 28m | N47505 |
| 2026-09-05partial | ? | ? | 00:00Z | N68802 | ||
| 2026-09-04partial | KSFO | ? | 16:31 PDT | N68802 | ||
| 2026-09-04partial | ? | ? | 00:00Z | N17468 | ||
| 2026-09-03estimated | ? | ? | 22:13Z | 23:58Z | 1h 44m | N17468 |
| 2026-09-03partial | ? | ? | 00:00Z | N68453 |
Earlier flights (80) - back to 2026-05-21
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-09-01partial | KSFO | ? | 14:17 PDT | AA7EC2 | ||
| 2026-09-01partial | KIAH | ? | 23:05 CDT | A12A7D | ||
| 2026-09-01partial | KIAH | ? | 19:29 CDT | A12A7D | ||
| 2026-08-31estimated | ? | ? | 21:37Z | 23:48Z | 2h 10m | A12A7D |
| 2026-08-31partial | ? | ? | 00:00Z | AA7EC2 | ||
| 2026-08-30estimated | ? | ? | 21:27Z | 23:58Z | 2h 30m | AA7EC2 |
| 2026-08-30partial | ? | ? | 00:00Z | N37553 | ||
| 2026-08-29estimated | ? | ? | 21:32Z | 23:59Z | 2h 27m | N37553 |
| 2026-08-29partial | ? | ? | 00:00Z | A12A7C | ||
| 2026-08-28estimated | ? | ? | 21:34Z | 23:58Z | 2h 23m | A12A7C |
| 2026-08-28partial | ? | ? | 00:30Z | N67501 | ||
| 2026-08-27estimated | ? | ? | 21:26Z | 23:54Z | 2h 28m | N67501 |
| 2026-08-27partial | ? | ? | 00:42Z | AC0831 | ||
| 2026-08-25estimated | ? | ? | 21:26Z | 23:58Z | 2h 31m | A12AE6 |
| 2026-08-25partial | ? | ? | 00:00Z | A12A7C | ||
| 2026-08-24estimated | ? | ? | 22:01Z | 23:58Z | 1h 56m | A12A7C |
| 2026-08-24partial | KIAH | ? | 21:54 CDT | A12A80 | ||
| 2026-08-23estimated | ? | ? | 21:37Z | 23:44Z | 2h 06m | A12A80 |
| 2026-08-23partial | KSEA | ? | 17:25 PDT | N37547 | ||
| 2026-08-22estimated | ? | ? | 21:23Z | 23:26Z | 2h 02m | N37547 |
| 2026-08-22partial | ? | ? | 00:00Z | A12B2F | ||
| 2026-08-21partial | ? | ? | 00:00Z | N17443 | ||
| 2026-08-20partial | ? | ? | 00:00Z | N17550 | ||
| 2026-08-19partial | ? | ? | 00:00Z | N17411 | ||
| 2026-08-18partial | ? | ? | 00:00Z | N77592 | ||
| 2026-08-17partial | ? | ? | 00:40Z | N39423 | ||
| 2026-08-16partial | ? | ? | 00:00Z | N77578 | ||
| 2026-08-15partial | ? | ? | 00:00Z | N44501 | ||
| 2026-08-14estimated | KSEA | KSFO | 09:04 PDT | 16:58 PDT | 7h 54m | N465UA |
| 2026-08-13partial | KSEA | ? | 17:47 PDT | N17596 | ||
| 2026-08-12partial | ? | ? | 00:00Z | N17459 | ||
| 2026-08-11estimated | ? | ? | 18:55Z | 23:58Z | 5h 02m | N458UA |
| 2026-07-23estimated | KSEA | KSFO | 08:46 PDT | 11:08 PDT | 2h 21m | N469UA |
| 2026-07-22 | KSEA | KSFO | 09:05 PDT | 10:56 PDT | 1h 50m | N475UA |
| 2026-07-21 | KBFI | KSFO | 08:59 PDT | 11:02 PDT | 2h 02m | N488UA |
| 2026-07-20 | KSEA | KSFO | 10:03 PDT | 12:02 PDT | 1h 58m | N461UA |
| 2026-07-19estimated | KSEA | KSFO | 09:36 PDT | 11:52 PDT | 2h 15m | N447UA |
| 2026-07-18 | KSEA | KSFO | 08:59 PDT | 11:18 PDT | 2h 19m | N445UA |
| 2026-07-17 | KSEA | KSFO | 10:19 PDT | 12:34 PDT | 2h 14m | N472UA |
| 2026-07-16 | KSEA | KSFO | 08:45 PDT | 11:26 PDT | 2h 40m | N434UA |
| 2026-07-15 | KSEA | KSFO | 09:01 PDT | 11:08 PDT | 2h 06m | N473UA |
| 2026-07-14estimated | KSEA | KSFO | 09:07 PDT | 11:16 PDT | 2h 08m | N430UA |
| 2026-07-13 | KBFI | KSFO | 10:03 PDT | 11:54 PDT | 1h 50m | N462UA |
| 2026-07-12estimated | KSEA | KSFO | 08:47 PDT | 11:06 PDT | 2h 18m | N473UA |
| 2026-07-11 | KSEA | KSFO | 08:59 PDT | 11:16 PDT | 2h 17m | N473UA |
| 2026-07-10estimated | KSEA | KSFO | 08:44 PDT | 10:54 PDT | 2h 09m | N441UA |
| 2026-07-09 | KSEA | KSFO | 09:41 PDT | 11:56 PDT | 2h 14m | N473UA |
| 2026-07-08 | KSEA | KSFO | 11:48 PDT | 13:48 PDT | 1h 59m | N487UA |
| 2026-07-07 | KSEA | KSFO | 09:36 PDT | 11:42 PDT | 2h 05m | N441UA |
| 2026-07-06 | KBFI | KSFO | 09:16 PDT | 11:34 PDT | 2h 17m | N487UA |
| 2026-07-05 | KBFI | KSFO | 09:10 PDT | 11:06 PDT | 1h 56m | N497UA |
| 2026-07-04 | KSEA | KSFO | 09:45 PDT | 11:56 PDT | 2h 10m | N472UA |
| 2026-07-03partial | KSFO | ? | 19:05 PDT | N496UA | ||
| 2026-07-02 | KSEA | KSFO | 09:29 PDT | 11:42 PDT | 2h 12m | N496UA |
| 2026-07-01 | KSEA | KSFO | 09:29 PDT | 11:56 PDT | 2h 26m | N4901U |
| 2026-06-30estimated | KSEA | KSFO | 13:39 PDT | 14:30 PDT | 0h 50m | N434UA |
| 2026-06-29estimated | KSFO | ? | 18:44 PDT | 18:32Z | 16h 47m | N430UA |
| 2026-06-28 | KSEA | KSFO | 14:04 PDT | 16:16 PDT | 2h 11m | N430UA |
| 2026-06-27 | KSEA | KSFO | 09:55 PDT | 11:34 PDT | 1h 38m | N437UA |
| 2026-06-26 | KSEA | KSFO | 09:32 PDT | 11:20 PDT | 1h 48m | N465UA |
| 2026-06-25 | KSEA | KSFO | 09:43 PDT | 11:38 PDT | 1h 55m | N437UA |
| 2026-06-24estimated | KSEA | KSFO | 18:49 PDT | 11:22 PDT | 16h 33m | N871UA |
| 2026-06-21estimated | KSEA | KSFO | 11:42 PDT | 13:36 PDT | 1h 53m | N804UA |
| 2026-06-20estimated | KSEA | KSFO | 09:16 PDT | 11:10 PDT | 1h 53m | N433UA |
| 2026-06-19estimated | KSEA | KSFO | 09:26 PDT | 11:14 PDT | 1h 47m | N480UA |
| 2026-06-18estimated | ? | ? | 17:30Z | 18:28Z | 0h 57m | N440UA |
| 2026-06-17 | KSEA | KSFO | 08:48 PDT | 11:26 PDT | 2h 38m | N433UA |
| 2026-06-16 | KSEA | KSFO | 09:11 PDT | 11:26 PDT | 2h 15m | N460UA |
| 2026-06-15 | KSEA | KSFO | 09:59 PDT | 11:36 PDT | 1h 36m | N465UA |
| 2026-06-14 | KSEA | KSFO | 10:28 PDT | 12:14 PDT | 1h 45m | N4901U |
| 2026-06-13partial | KSEA | ? | 10:47 PDT | N435UA | ||
| 2026-06-12 | KSEA | KSFO | 09:23 PDT | 11:18 PDT | 1h 55m | N448UA |
| 2026-05-29estimated | KSEA | KSFO | 09:24 PDT | 11:34 PDT | 2h 10m | N458UA |
| 2026-05-27 | KSEA | KSFO | 12:18 PDT | 13:58 PDT | 1h 39m | N454UA |
| 2026-05-26estimated | KSEA | ? | 08:56 PDT | 18:02Z | 2h 06m | N447UA |
| 2026-05-25 | KSEA | KSFO | 09:19 PDT | 11:42 PDT | 2h 22m | N478UA |
| 2026-05-24estimated | KSEA | KSFO | 10:21 PDT | 12:16 PDT | 1h 54m | N442UA |
| 2026-05-23 | KSEA | KSFO | 09:40 PDT | 11:42 PDT | 2h 01m | N434UA |
| 2026-05-22 | KSEA | KSFO | 09:47 PDT | 11:34 PDT | 1h 46m | N472UA |
| 2026-05-21 | KSEA | KSFO | 08:53 PDT | 11:02 PDT | 2h 09m | N37273 |
Times are local to each airport. Hover for UTC. Flights marked estimated were completed with route prediction or partial coverage; partial records have a confirmed departure but no reliable arrival fix.
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Data access
Live positions and 365-day history for this flight are available through the PlaneTrack API (commercial use from $29/month) and as one-off CSV extracts from our archive (from $9.99, with a free one-day sample). Questions: [email protected]