Flight
UAL3931
Flight history and live tracking for UAL3931, 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.
Route
| Airline | United Airlines |
| Observed route | KSEA → KDEN |
Flight history 90 flights since Aug 2025
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-10-02 | KSFO SAN FRANCISCO INTERNATIONAL | KDEN DENVER INTERNATIONAL | 13:24 PDT | 16:22 MDT | 1h 58m | N19986 |
| 2026-09-30estimated | KPHL | KORD | 20:00 EDT | 20:24 CDT | 1h 23m | N451UA |
| 2026-09-29 | KEWR NEWARK LIBERTY INTERNATIONAL | KORD CHICAGO OHARE INTERNATIONAL | 19:10 EDT | 19:57 CDT | 1h 47m | N451UA |
| 2026-09-25 | KPSP PALM SPRINGS INTERNATIONAL | KDEN DENVER INTERNATIONAL | 07:40 PDT | 10:20 MDT | 1h 40m | N37274 |
| 2026-09-23 | KIAH | KSFO | 05:31 CDT | 07:22 PDT | 3h 50m | N14506 |
| 2026-09-22 | KCLE | KEWR | 01:20 EDT | 02:36 EDT | 1h 15m | A0B848 |
| 2026-09-21 | KORD | KBUF | 05:57 CDT | 08:04 EDT | 1h 06m | N38268 |
| 2026-09-17estimated | ? | ? | 04:03Z | 05:18Z | 1h 14m | A12F07 |
| 2026-09-15 | KORD | KSFO | 21:48 CDT | 00:10 PDT | 4h 22m | A7F50A |
| 2026-09-08estimated | KORD | KOMA | 22:58 CDT | 00:59 CDT | 2h 00m | N828UA |
| 2026-09-05 | KEWR | KBDL | 06:27 EDT | 06:56 EDT | 0h 28m | N17279 |
| 2026-09-03estimated | KSEA | KDEN | 17:00 PDT | 10:36 MDT | 16h 35m | N57478 |
Earlier flights (78) - back to 2025-08-14
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-09-01 | KIAD | KBWI | 08:39 EDT | 09:02 EDT | 0h 22m | N39450 |
| 2026-08-27estimated | KLAX | KSFO | 10:09 PDT | 11:48 PDT | 1h 38m | N774UA |
| 2026-08-20estimated | KSEA | KDEN | 22:01 PDT | 01:18 MDT | 2h 16m | N37472 |
| 2026-08-15estimated | KEWR | KIAD | 13:51 EDT | 14:52 EDT | 1h 00m | N68061 |
| 2026-08-13 | ? | KROC | 15:16Z | 13:40 EDT | 2h 23m | N37456 |
| 2026-08-11estimated | ? | ? | 18:55Z | 23:14Z | 4h 18m | N17460 |
| 2026-07-22 | KRDU | ? | 08:58 EDT | 16:18Z | 3h 19m | A0B7DC |
| 2026-07-20estimated | KEWR | KIAH | 14:35 EDT | 16:34 CDT | 2h 58m | A4418C |
| 2026-07-18estimated | ? | ? | 00:15Z | 02:57Z | 2h 42m | N467UA |
| 2026-07-16estimated | ? | ? | 20:25Z | 21:52Z | 1h 26m | N4901U |
| 2026-07-15estimated | ? | KEWR | 02:44Z | 08:00 EDT | 9h 15m | N78003 |
| 2026-07-10 | KLAX | KSFO | 08:55 PDT | 10:34 PDT | 1h 39m | N34131 |
| 2026-07-09 | KPHL | KORD | 18:14 EDT | 18:52 CDT | 1h 38m | N37470 |
| 2026-06-29estimated | KORD | KOMA | 10:06 CDT | 11:00 CDT | 0h 53m | N454UA |
| 2026-06-26estimated | KEWR | KIAD | 18:47 EDT | 19:58 EDT | 1h 10m | N68061 |
| 2026-06-21 | KORD | KATW | 08:05 CDT | 08:36 CDT | 0h 31m | N475UA |
| 2026-06-19estimated | KRNO | ? | 10:20 PDT | 19:08Z | 1h 47m | N819UA |
| 2026-06-16estimated | KLAX | ? | 19:16 PDT | 04:28Z | 2h 11m | N38268 |
| 2026-06-14estimated | KSEA | KDEN | 19:38 PDT | 23:06 MDT | 2h 27m | A12B2E |
| 2026-05-25estimated | KEWR | KIAH | 12:07 EDT | 13:34 CDT | 2h 26m | N27268 |
| 2026-05-24estimated | ? | ? | 12:34Z | 21:50Z | 9h 16m | N78001 |
| 2026-05-24 | VHHH | ? | 14:51 HKT | 10:58Z | 4h 07m | N78001 |
| 2026-05-19 | KEWR | KDEN | 15:54 EDT | 14:52 MDT | 0h 57m | A24508 |
| 2026-05-11partial | KSFO | ? | 01:28 PDT | N56859 | ||
| 2026-05-07 | KIAH | KAUS | 06:48 CDT | 07:22 CDT | 0h 33m | N460UA |
| 2026-05-05estimated | KLAX | ? | 18:52 PDT | 03:20Z | 1h 27m | A22D9F |
| 2026-05-04estimated | KSFO | ? | 13:04 PDT | 21:44Z | 1h 39m | N24972 |
| 2026-05-02 | KIAD | KBOS | 10:20 EDT | 11:22 EDT | 1h 01m | A6ED61 |
| 2026-04-30estimated | KDEN | ? | 18:00 MDT | 00:50Z | 0h 50m | N37437 |
| 2026-04-20 | ? | KEWR | 11:19Z | 10:02 EDT | 2h 42m | N27239 |
| 2026-04-17estimated | KEWR | KIAD | 11:39 EDT | 12:52 EDT | 1h 12m | N642UA |
| 2026-04-12 | KORD | KSYR | 00:32 CDT | 02:46 EDT | 1h 14m | N824UA |
| 2026-03-31estimated | KIAH | ? | 00:31 CDT | 06:20Z | 0h 48m | A2B7F5 |
| 2026-03-29estimated | ? | ? | 00:32Z | 01:58Z | 1h 25m | A7F4E7 |
| 2026-03-11 | KLAX | KSNA | 06:57 PDT | 07:28 PDT | 0h 31m | N17752 |
| 2026-03-09estimated | KSEA | KDEN | 10:16 PDT | 11:52 MDT | 0h 35m | N832UA |
| 2026-03-08estimated | KLAX | KSFO | 06:57 PDT | 07:42 PDT | 0h 44m | N68061 |
| 2026-03-01estimated | ? | KEWR | 03:27Z | 00:02 EST | 1h 34m | N27270 |
| 2026-03-01 | KEWR | KDCA | 20:10 EST | 21:30 EST | 1h 20m | N47282 |
| 2026-02-27 | KSFO | KLAX | 19:23 PST | 20:54 PST | 1h 30m | N29129 |
| 2026-02-23 | KMIA | KLAX | 19:48 EST | 08:54 PST | 16h 06m | A126CC |
| 2026-02-18estimated | KEWR | KIAH | 10:49 EST | 13:30 CST | 3h 40m | N27509 |
| 2026-02-11estimated | ? | KBOS | 15:57Z | 11:52 EST | 0h 54m | AA7F05 |
| 2026-02-07estimated | KLAX | KSFO | 20:04 PST | 07:10 PST | 11h 05m | N77014 |
| 2026-02-03 | KABQ | KDEN | 09:13 MST | 10:48 MST | 1h 34m | N27239 |
| 2026-01-29 | LSZH | KIAD | 14:50 CET | 18:14 EST | 9h 23m | N76064 |
| 2026-01-26 | KTPA | KMCO | 09:41 EST | 10:26 EST | 0h 44m | N66828 |
| 2026-01-25partial | ? | ? | 00:00Z | N13018 | ||
| 2026-01-23 | KSEA | KDEN | 21:46 PST | 01:02 MST | 2h 15m | N494UA |
| 2026-01-19 | KORD | KEWR | 05:03 CST | 07:40 EST | 1h 36m | N66848 |
| 2026-01-07 | KMCO | KRIC | 07:33 EST | 10:34 EST | 3h 01m | A12AA5 |
| 2026-01-05estimated | KEWR | KIAH | 13:46 EST | 16:08 CST | 3h 21m | N18112 |
| 2025-12-31 | KMKE | KMSP | 14:08 CST | 15:08 CST | 0h 59m | N37434 |
| 2025-12-29 | ? | PHNL | 02:48Z | 23:26 HST | 6h 38m | N33264 |
| 2025-12-24 | KIAH | KLAX | 08:07 CST | 09:28 PST | 3h 20m | N449UA |
| 2025-12-23estimated | KPHL | KORD | 19:00 EST | 20:18 CST | 2h 18m | N77539 |
| 2025-12-22estimated | ? | ? | 22:35Z | 23:58Z | 1h 22m | N77539 |
| 2025-12-21 | KEWR | KORD | 12:48 EST | 13:46 CST | 1h 57m | A2CB9E |
| 2025-12-12 | RCKH | RJAA | 12:50 CST | 17:04 JST | 3h 13m | N73291 |
| 2025-11-27estimated | ? | ? | 06:49Z | 09:34Z | 2h 45m | N76528 |
| 2025-10-29estimated | ? | ? | 12:27Z | 13:46Z | 1h 18m | N34460 |
| 2025-10-26estimated | KEWR | KIAD | 20:48 EDT | 14:28 EDT | 17h 39m | AA7F28 |
| 2025-10-25estimated | ? | ? | 21:30Z | 22:14Z | 0h 43m | AA7F28 |
| 2025-10-22estimated | KIAH | ? | 00:11 CDT | 15:23Z | 10h 12m | A44166 |
| 2025-10-19estimated | KLAX | KSFO | 12:02 PDT | 16:20 PDT | 4h 17m | N778UA |
| 2025-10-15 | KORD | KMSN | 10:31 CDT | 10:52 CDT | 0h 20m | N818UA |
| 2025-10-14 | KSJC | KSFO | 18:09 PDT | 19:24 PDT | 1h 15m | N834UA |
| 2025-10-06 | KSFO | ? | 21:14 PDT | 06:44Z | 2h 30m | N488UA |
| 2025-10-01 | LSGG | LFRT | 10:42 CEST | 11:43 CEST | 1h 00m | A8E4E9 |
| 2025-09-26 | KIAH George Bush Intercontinental | KINK | 11:22 CDT | 12:23 CDT | 1h 01m | A4943E |
| 2025-09-23 | KORD O'Hare International | ? | 22:37 CDT | 04:40Z | 1h 03m | A76F43 |
| 2025-09-21 | ? | KEWR Newark Liberty International | 00:00Z | 21:42 EDT | 1h 42m | A0566A |
| 2025-09-20 | KHHR | ? | 14:11 PDT | 22:15Z | 1h 03m | A0566A |
| 2025-09-18 | KRSW | KIAH George Bush Intercontinental | 14:53 EDT | 15:46 CDT | 1h 52m | A24591 |
| 2025-08-20 | KAUS | KIAH | 22:22 CDT | 23:38 CDT | 1h 16m | N37471 |
| 2025-08-19partial | KIAD | ? | 21:56 EDT | N660UA | ||
| 2025-08-17 | KEWR | KLAX | 20:09 EDT | 01:22 PDT | 8h 12m | N28987 |
| 2025-08-14 | KSFO | KONT | 11:00 PDT | 11:38 PDT | 0h 38m | N38451 |
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]