Flight
UAL3940
Flight history and live tracking for UAL3940, 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 | KIAD → KIAH |
Flight history 70 flights since Dec 2025
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-10-01 | KSFO SAN FRANCISCO INTERNATIONAL | KORD CHICAGO OHARE INTERNATIONAL | 17:24 PDT | 22:48 CDT | 3h 24m | N27901 |
| 2026-09-28 | KEWR NEWARK LIBERTY INTERNATIONAL | KORD CHICAGO OHARE INTERNATIONAL | 01:43 EDT | 02:24 CDT | 1h 41m | N670UA |
| 2026-09-25 | KIAD WASHINGTON DULLES INTERNATIONAL | KEWR NEWARK LIBERTY INTERNATIONAL | 14:41 EDT | 15:30 EDT | 0h 49m | N451UA |
| 2026-09-21 | KRIC | KORF | 18:58 EDT | 19:20 EDT | 0h 21m | N813UA |
| 2026-09-20estimated | ? | ? | 05:12Z | 05:56Z | 0h 43m | N76504 |
| 2026-09-15estimated | ? | ? | 17:49Z | 19:04Z | 1h 15m | N846UA |
| 2026-09-10estimated | KATL | KORD | 20:00 EDT | 19:48 CDT | 0h 48m | N821UA |
| 2026-09-09estimated | ? | ? | 22:48Z | 23:58Z | 1h 09m | N821UA |
| 2026-09-08estimated | ? | KOKC | 11:32Z | 07:50 CDT | 1h 17m | N17233 |
| 2026-09-06 | KATL | KORD | 11:39 EDT | 12:14 CDT | 1h 35m | N23721 |
Earlier flights (60) - back to 2025-12-11
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-08-23 | KORD | KIND | 18:07 CDT | 19:32 EDT | 0h 24m | N475UA |
| 2026-08-22 | KSFO | ? | 18:48 PDT | 03:58Z | 2h 09m | A0B849 |
| 2026-08-20estimated | ? | ? | 12:11Z | 15:53Z | 3h 41m | N37290 |
| 2026-08-18 | KSRQ | ? | 07:34 EDT | 13:20Z | 1h 45m | N17753 |
| 2026-08-17 | VHHH | ? | 19:28 HKT | 19:00Z | 7h 31m | N29977 |
| 2026-07-21estimated | ? | ? | 12:29Z | 14:12Z | 1h 42m | A0B886 |
| 2026-07-18 | KIAD | KIAH | 15:00 EDT | 16:32 CDT | 2h 31m | N77012 |
| 2026-07-15estimated | KBNA | KSFO | 07:25 CDT | 09:42 PDT | 4h 16m | N882UA |
| 2026-07-11 | KIAD | KATL | 08:40 EDT | 09:52 EDT | 1h 12m | N4888U |
| 2026-07-08estimated | KSWF | ? | 20:02 EDT | 01:25Z | 1h 22m | N675UA |
| 2026-07-07estimated | EGLL | KMPV | 18:38 BST | 19:58 EDT | 6h 19m | N675UA |
| 2026-07-05estimated | KBNA | ? | 20:54 CDT | 05:02Z | 3h 07m | A7F4E7 |
| 2026-07-04estimated | EGLL | KMPV | 19:20 BST | 15:28 EDT | 1h 07m | A7F4E7 |
| 2026-07-03estimated | KORD | KIND | 06:33 CDT | 08:48 EDT | 1h 15m | A31A7B |
| 2026-07-01estimated | KEWR | KORD | 00:53 EDT | 02:18 CDT | 2h 25m | A31A7B |
| 2026-06-27 | KDCA | KORD | 11:02 EDT | 11:44 CDT | 1h 41m | N843UA |
| 2026-06-25estimated | SBGR | ? | 21:30 -03 | 09:44Z | 9h 13m | N76021 |
| 2026-06-21estimated | KIAH | KDEN | 06:50 CDT | 09:36 MDT | 3h 45m | A6ED7F |
| 2026-06-19 | KIAH | KMSY | 07:24 CDT | 08:12 CDT | 0h 47m | N873UA |
| 2026-06-16estimated | KDEN | ? | 03:52 MDT | 19:22Z | 9h 29m | A126EC |
| 2026-06-12estimated | KIAD | KIAH | 06:30 EDT | 07:04 CDT | 1h 34m | N847UA |
| 2026-05-28 | KEWR | KORD | 08:15 EDT | 09:24 CDT | 2h 08m | N684UA |
| 2026-05-25estimated | KLAX | ? | 10:46 PDT | 18:40Z | 0h 53m | A12F6F |
| 2026-05-21estimated | KEWR | KIAH | 12:04 EDT | 14:42 CDT | 3h 37m | N643UA |
| 2026-05-10 | KORD | ? | 11:40 CDT | 18:20Z | 1h 39m | A12F73 |
| 2026-05-05estimated | PANC | KORD | 20:54 AKDT | 05:34 CDT | 5h 39m | A43EEC |
| 2026-05-03estimated | KIAD | KIAH | 09:15 EDT | 09:02 CDT | 0h 47m | N27722 |
| 2026-05-01partial | KIAD | ? | 20:00 EDT | N27903 | ||
| 2026-04-28 | KCVG | KDCA | 10:08 EDT | 11:02 EDT | 0h 53m | N14731 |
| 2026-04-25estimated | KEWR | ? | 19:08 EDT | 23:58Z | 0h 49m | N895UA |
| 2026-04-22 | TNCA | ? | 08:02 AST | 16:46Z | 4h 43m | AA7F03 |
| 2026-04-14estimated | ? | KLAS | 12:42Z | 06:44 PDT | 1h 01m | N37556 |
| 2026-04-11 | KDEN | KSFO | 08:11 MDT | 09:48 PDT | 2h 36m | A2061E |
| 2026-04-03 | KIND | KORD | 08:25 EDT | 08:04 CDT | 0h 38m | N471UA |
| 2026-03-16estimated | ? | ? | 15:33Z | 16:08Z | 0h 34m | N4888U |
| 2026-03-14 | KDEN | KORD | 05:45 MDT | 08:48 CDT | 2h 02m | N75851 |
| 2026-03-08 | KSFO | VHHH | 08:02 PDT | 14:20 HKT | 15h 17m | AA4440 |
| 2026-03-02 | EDDM | KEWR | 09:43 CET | 13:20 EST | 9h 37m | N69063 |
| 2026-02-24 | KIAH | KORD | 14:50 CST | 17:16 CST | 2h 25m | N29971 |
| 2026-02-22 | KEWR | KTPA | 08:29 EST | 11:28 EST | 2h 58m | N27261 |
| 2026-02-21 | KIAD | KEWR | 19:01 EST | 20:18 EST | 1h 17m | N28457 |
| 2026-02-20partial | ? | ? | 00:00Z | N29971 | ||
| 2026-02-19 | EDDF | ? | 16:45 CET | 23:58Z | 8h 12m | N29971 |
| 2026-02-18 | ? | KIAD | 00:02Z | 21:02 EST | 2h 00m | N656UA |
| 2026-02-17estimated | ? | ? | 21:29Z | 23:58Z | 2h 28m | N656UA |
| 2026-02-12partial | ? | ? | 00:01Z | N2747U | ||
| 2026-02-11 | KSFO | ? | 13:46 PST | 23:58Z | 2h 11m | N2747U |
| 2026-02-04 | KPDX | KDEN | 21:43 PST | 01:10 MST | 2h 26m | N76504 |
| 2026-01-29 | KIAD | KEWR | 19:40 EST | 21:12 EST | 1h 31m | A245B7 |
| 2026-01-26 | KSLC | KLAS | 08:26 MST | 08:32 PST | 1h 05m | A449CB |
| 2026-01-25 | KORD | KSEA | 11:29 CST | 14:02 PST | 4h 32m | A2452C |
| 2026-01-25estimated | ? | ? | 16:06Z | 16:44Z | 0h 37m | A2452C |
| 2026-01-24 | KMEM | KSFO | 22:35 CST | 09:48 PST | 13h 12m | N36247 |
| 2026-01-05estimated | KIAH | KDEN | 13:42 CST | 14:14 MST | 1h 31m | N430UA |
| 2026-01-03estimated | KIAH | KDEN | 15:34 CST | 16:59 MST | 2h 24m | A0B7FD |
| 2025-12-26 | KATL | KAUS | 17:02 EST | 17:58 CST | 1h 55m | A4418D |
| 2025-12-20 | PHNL | KLAX | 15:35 HST | 23:16 PST | 5h 41m | N78866 |
| 2025-12-15 | KDEN | KSFO | 10:30 MST | 11:50 PST | 2h 20m | N787UA |
| 2025-12-13estimated | KIAD | KIAH | 13:55 EST | 16:48 CST | 3h 53m | N891UA |
| 2025-12-11 | KMIA | KORD | 14:03 EST | 16:10 CST | 3h 07m | N64844 |
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]