Flight
UAL3900
Flight history and live tracking for UAL3900, 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 | KSFO → KORD |
Flight history 93 flights since Aug 2025
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-10-03 | KDEN DENVER INTERNATIONAL | KIAH GEORGE BUSH INTCNTL HOUSTON | 19:28 MDT | 22:18 CDT | 1h 50m | N75861 |
| 2026-09-28 | PHNL HONOLULU INTERNATIONAL | VHHH HONG KONG INTERNATIONAL | 09:57 HST | 15:02 HKT | 11h 05m | |
| 2026-09-25 | EINN SHANNON | KORD CHICAGO OHARE INTERNATIONAL | 10:40 IST | 12:10 CDT | 7h 30m | N674UA |
| 2026-09-24 | KSFO | KSMF | 08:06 PDT | 08:50 PDT | 0h 43m | N436UA |
| 2026-09-22 | KOMA | KDEN | 10:18 CDT | 10:44 MDT | 1h 25m | N37422 |
| 2026-09-20 | KJAX | KEWR | 06:50 EDT | 08:42 EDT | 1h 51m | N23707 |
| 2026-09-18estimated | KORD | KCLE | 16:07 CDT | 19:58 EDT | 2h 50m | A2061E |
| 2026-09-16 | EGLL | ? | 17:23 BST | 23:58Z | 7h 34m | N19136 |
| 2026-09-14 | ? | KEWR | 14:38Z | 18:10 EDT | 7h 32m | N19130 |
| 2026-09-11estimated | ? | ? | 03:42Z | 05:02Z | 1h 19m | N47275 |
| 2026-09-09 | EHAM | ? | 16:37 CEST | 22:36Z | 7h 59m | N641UA |
| 2026-09-07 | ? | KEWR | 19:52Z | 17:44 EDT | 1h 51m | N676UA |
| 2026-09-06estimated | ? | ? | 15:47Z | 16:28Z | 0h 40m | N215UA |
| 2026-09-03 | LIPZ | ? | 12:16 CEST | 19:22Z | 9h 05m | N76064 |
Earlier flights (79) - back to 2025-08-15
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-09-01estimated | KIAH | KIKR | 10:42 CDT | 13:22 MDT | 3h 39m | N78001 |
| 2026-08-31 | ? | KIAD | 11:43Z | 16:34 EDT | 8h 50m | N649UA |
| 2026-08-30estimated | KORD | KCLE | 09:39 CDT | 14:28 EDT | 3h 48m | N12012 |
| 2026-08-29estimated | KSFO | KORD | 05:08 PDT | 09:44 CDT | 2h 35m | N73256 |
| 2026-08-23estimated | PHOG | KLAX | 10:13 HST | 14:56 PDT | 1h 43m | N781UA |
| 2026-08-22estimated | ? | ? | 03:13Z | 05:20Z | 2h 06m | N465UA |
| 2026-08-20estimated | ? | ? | 13:38Z | 18:08Z | 4h 29m | N87512 |
| 2026-08-18estimated | KDEN | ? | 05:22 MDT | 13:20Z | 1h 57m | N821UA |
| 2026-08-16estimated | KIAD | KATL | 20:16 EDT | 21:12 EDT | 0h 55m | N17254 |
| 2026-08-13estimated | ? | ? | 00:00Z | 02:20Z | 2h 20m | N78448 |
| 2026-08-12estimated | ? | ? | 23:34Z | 23:58Z | 0h 23m | N78448 |
| 2026-07-20estimated | ? | ? | 06:44Z | 08:20Z | 1h 36m | A449A4 |
| 2026-07-19 | KSMF | KIAH | 08:48 PDT | 14:12 CDT | 3h 23m | N4901U |
| 2026-07-15estimated | KSFO | KORD | 22:04 PDT | 02:00 CDT | 1h 55m | N14106 |
| 2026-07-11 | KORD | KCLE | 06:36 CDT | 08:08 EDT | 0h 31m | A12F2A |
| 2026-07-06estimated | KSMF | KIAH | 14:59 PDT | 17:44 CDT | 0h 45m | N37474 |
| 2026-07-04estimated | KIAH | KIKR | 19:07 CDT | 19:52 MDT | 1h 44m | N38443 |
| 2026-06-30estimated | ? | ? | 00:00Z | 01:46Z | 1h 45m | N218UA |
| 2026-06-29estimated | KIAH | KIKR | 17:37 CDT | 17:58 MDT | 1h 20m | N218UA |
| 2026-06-28 | KORD | KDCA | 04:55 CDT | 07:30 EDT | 1h 34m | N809UA |
| 2026-06-22estimated | ? | ? | 03:03Z | 04:00Z | 0h 57m | N47281 |
| 2026-06-20estimated | KATL | KIAH | 20:00 EDT | 20:38 CDT | 1h 38m | N784UA |
| 2026-06-19estimated | KIAD | KATL | 18:47 EDT | 19:58 EDT | 1h 10m | N784UA |
| 2026-06-14estimated | PHOG | KLAX | 17:03 HST | 00:48 PDT | 4h 44m | A12733 |
| 2026-06-12estimated | KSFO | KORD | 23:32 PDT | 07:42 CDT | 6h 09m | N17300 |
| 2026-05-26estimated | KSFO | ? | 20:23 PDT | 04:58Z | 1h 34m | A12F6F |
| 2026-05-19estimated | SBAA | KMDW | 13:49 -03 | 13:40 CDT | 1h 50m | N20904 |
| 2026-05-08 | KEWR | KIAD | 10:00 EDT | 11:04 EDT | 1h 03m | N654UA |
| 2026-05-05 | KEWR | KIAH | 12:33 EDT | 14:56 CDT | 3h 23m | N77014 |
| 2026-05-03 | KSAN | KORD | 08:55 PDT | 14:12 CDT | 3h 16m | N34137 |
| 2026-04-28 | KDEN | KORD | 07:01 MDT | 10:00 CDT | 1h 58m | N62849 |
| 2026-04-28partial | KDEN | ? | 03:44 MDT | N62849 | ||
| 2026-04-05 | KIAD | KIAH | 23:27 EDT | 01:06 CDT | 2h 38m | N795UA |
| 2026-04-03estimated | KSMF | KIAH | 11:04 PDT | 14:14 CDT | 1h 09m | N77520 |
| 2026-03-29estimated | KORD | KCLE | 06:33 CDT | 08:28 EDT | 0h 54m | N61886 |
| 2026-03-16estimated | ? | KCHS | 00:42Z | 21:00 EDT | 0h 17m | N440UA |
| 2026-03-11 | KIAH | KDEN | 12:36 CDT | 13:36 MDT | 2h 00m | N771UA |
| 2026-03-09 | KLDJ | KIAD | 15:56 EDT | 17:02 EDT | 1h 05m | N223UA |
| 2026-03-08 | KSFO | KEWR | 17:51 PST | 03:19 EDT | 5h 28m | N76055 |
| 2026-03-02estimated | ? | KEWR | 00:02Z | 19:56 EST | 0h 53m | N21108 |
| 2026-03-01estimated | KSFO | KORD | 11:57 PST | 17:58 CST | 4h 01m | N21108 |
| 2026-02-21 | KIAD | KEWR | 23:25 EST | 00:16 EST | 0h 51m | N654UA |
| 2026-02-19estimated | KSFO | KORD | 09:10 PST | 12:40 CST | 1h 29m | N817UA |
| 2026-02-13 | KMSN | KORD | 07:05 CST | 07:46 CST | 0h 40m | N817UA |
| 2026-02-12 | KSFO | KIAD | 21:01 PST | 04:34 EST | 4h 33m | N2140U |
| 2026-02-07 | KIAD | KORD | 09:53 EST | 11:08 CST | 2h 14m | N17233 |
| 2026-02-05estimated | ? | ? | 15:59Z | 18:16Z | 2h 16m | A6EDE5 |
| 2026-02-04estimated | ? | ? | 21:06Z | 22:02Z | 0h 55m | A5CF19 |
| 2026-02-04estimated | MMMX | ? | 06:24 CST | 20:46Z | 8h 21m | A5CF19 |
| 2026-02-01 | KORD | KIAH | 07:34 CST | 09:42 CST | 2h 07m | N33103 |
| 2026-01-25 | KEWR | KTPA | 23:43 EST | 02:30 EST | 2h 46m | A12F2A |
| 2026-01-24 | KMEM | KORD | 22:49 CST | 00:10 CST | 1h 20m | N26226 |
| 2026-01-08 | KRIC | KORD | 01:04 EST | 01:56 CST | 1h 51m | N12238 |
| 2026-01-05 | KIAD | KEWR | 16:31 EST | 17:40 EST | 1h 08m | N47275 |
| 2026-01-04 | KLAX | KSFO | 17:34 PST | 19:12 PST | 1h 37m | N1902U |
| 2026-01-01 | KIAH | KORD | 11:05 CST | 13:36 CST | 2h 30m | N811UA |
| 2025-12-30 | KRNO | KORD | 10:16 PST | 15:54 CST | 3h 38m | A12F09 |
| 2025-12-27 | KIAH | KMCO | 18:58 CST | 21:48 EST | 1h 49m | N45440 |
| 2025-12-25 | EDDF | KEWR | 21:35 CET | 23:40 EST | 8h 05m | AADB37 |
| 2025-12-23 | ? | KMIA | 12:26Z | 10:12 EST | 2h 45m | N37553 |
| 2025-12-19 | KIAH | KIAD | 15:04 CST | 18:36 EST | 2h 32m | N648UA |
| 2025-12-16estimated | KSFO | KORD | 18:56 PST | 23:24 CST | 2h 27m | N780UA |
| 2025-11-28estimated | KSFO | KORD | 17:39 PST | 21:30 CST | 1h 50m | N12221 |
| 2025-10-30estimated | ? | KSFO | 02:42Z | 20:26 PDT | 0h 43m | N775UA |
| 2025-10-28 | KCLE | KORD | 21:59 EDT | 21:50 CDT | 0h 50m | N24736 |
| 2025-10-25 | KORD | KDTW | 17:16 CDT | 19:02 EDT | 0h 45m | N79521 |
| 2025-10-23estimated | ? | ? | 19:23Z | 20:02Z | 0h 38m | N2352U |
| 2025-10-14 | EGLL | KIAD | 14:19 BST | 16:48 EDT | 7h 28m | N655UA |
| 2025-10-07 | EGLL | KEWR | 13:43 BST | 15:50 EDT | 7h 06m | N209UA |
| 2025-10-06 | KORD | KLAX | 07:50 CDT | 09:52 PDT | 4h 01m | N13014 |
| 2025-09-30 | KORD | KSFO | 16:43 CDT | 18:33 PDT | 3h 50m | AA8882 |
| 2025-09-27 | KIAD Washington Dulles International | ? | 14:10 EDT | 19:10Z | 1h 00m | A86E6C |
| 2025-09-25 | KDEN Denver International | ? | 19:18 MDT | 02:19Z | 1h 01m | A4493D |
| 2025-09-18 | KDEN Denver International | KEWR Newark Liberty International | 14:26 MDT | 19:26 EDT | 2h 59m | A1D18F |
| 2025-08-26estimated | ? | ? | 02:23Z | 03:42Z | 1h 18m | N642UA |
| 2025-08-24 | LFMN | ? | 16:16 CEST | 23:44Z | 9h 28m | N642UA |
| 2025-08-20 | KORD | KEWR | 11:08 CDT | 15:38 EDT | 3h 29m | A0B823 |
| 2025-08-19 | KPDX | KDEN | 11:33 PDT | 17:34 MDT | 5h 00m | N38268 |
| 2025-08-15 | ? | KEWR | 16:13Z | 15:48 EDT | 3h 35m | A44212 |
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]