Flight
UAL599
Flight history and live tracking for UAL599, 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 23 Aug 2026 |
| Route | KSFO SAN FRANCISCO INTERNATIONAL → KIAD WASHINGTON DULLES INTERNATIONAL |
| Scheduled departure | 08:10 PDT |
| Also scheduled | Sun 23 Aug 17:26 EDT |
Scheduled and estimated times from the FAA SWIM feed, local to each airport.
Route
| Airline | United Airlines |
| Observed route | KCOU → KDEN |
Flight history 129 flights since Sep 2025
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-08-22 | KSFO SAN FRANCISCO INTERNATIONAL | KIAD WASHINGTON DULLES INTERNATIONAL | 09:19 PDT | 16:50 EDT | 4h 31m | N51104 |
| 2026-08-21 | KSFO SAN FRANCISCO INTERNATIONAL | KIAD WASHINGTON DULLES INTERNATIONAL | 09:25 PDT | 16:53 EDT | 4h 28m | N29984 |
| 2026-08-20 | KIAD WASHINGTON DULLES INTERNATIONAL | KDEN DENVER INTERNATIONAL | 18:43 EDT | 20:05 MDT | 3h 22m | N75854 |
| 2026-08-20 | KSFO SAN FRANCISCO INTERNATIONAL | KIAD WASHINGTON DULLES INTERNATIONAL | 08:33 PDT | 16:01 EDT | 4h 28m | N61103 |
| 2026-08-19partial | ? | ? | 00:00Z | N75854 | ||
| 2026-08-18partial | ? | ? | 00:00Z | N75858 | ||
| 2026-08-17partial | ? | ? | 00:40Z | N57852 | ||
| 2026-08-16partial | KBKF | ? | 18:00 MDT | N57852 | ||
| 2026-08-15partial | KIAD | ? | 20:37 EDT | N57852 | ||
| 2026-08-14partial | KBKF | ? | 18:00 MDT | N57852 | ||
| 2026-08-13partial | ? | ? | 00:00Z | N57852 | ||
| 2026-08-12partial | ? | ? | 00:00Z | N57852 | ||
| 2026-08-11estimated | ? | ? | 18:55Z | 23:58Z | 5h 02m | N29989 |
Earlier flights (116) - back to 2025-09-18
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-07-22estimated | ? | ? | 00:00Z | 02:46Z | 2h 45m | N57855 |
| 2026-07-21partial | ? | ? | 00:00Z | N75861 | ||
| 2026-07-20partial | KIAD | ? | 21:00 EDT | N57862 | ||
| 2026-07-19estimated | ? | ? | 00:00Z | 02:08Z | 2h 08m | N57868 |
| 2026-07-18partial | ? | ? | 00:00Z | N75861 | ||
| 2026-07-17partial | ? | ? | 00:00Z | N75851 | ||
| 2026-07-16partial | ? | ? | 00:00Z | A0B844 | ||
| 2026-07-15partial | ? | ? | 00:00Z | N78866 | ||
| 2026-07-14partial | KDEN | ? | 18:00 MDT | N78866 | ||
| 2026-07-13partial | ? | ? | 00:00Z | N77867 | ||
| 2026-07-12partial | ? | ? | 00:00Z | N75853 | ||
| 2026-07-11partial | KSTL | ? | 19:00 CDT | N57852 | ||
| 2026-07-10partial | KHRO | ? | 19:00 CDT | N57869 | ||
| 2026-07-09partial | ? | ? | 00:00Z | N57869 | ||
| 2026-07-08partial | KHUF | ? | 20:02 EDT | N57855 | ||
| 2026-07-07partial | KSTL | ? | 19:00 CDT | N57868 | ||
| 2026-07-06estimated | KIAD | KSTL | 18:28 EDT | 18:58 CDT | 1h 29m | N57868 |
| 2026-07-05estimated | KCOU | KDEN | 19:00 CDT | 19:34 MDT | 1h 33m | N77865 |
| 2026-07-04partial | ? | ? | 00:00Z | N75853 | ||
| 2026-07-03partial | KFRI | ? | 19:00 CDT | N57869 | ||
| 2026-07-02partial | ? | ? | 00:00Z | N78866 | ||
| 2026-07-01partial | KBKF | ? | 18:30 MDT | N75854 | ||
| 2026-06-30partial | KFOE | ? | 19:00 CDT | N77867 | ||
| 2026-06-29partial | ? | ? | 00:00Z | N75853 | ||
| 2026-06-28partial | KDSM | ? | 19:00 CDT | N77865 | ||
| 2026-06-27partial | KAOO | ? | 20:00 EDT | N73860 | ||
| 2026-06-26partial | KBKF | ? | 18:00 MDT | A0B7B6 | ||
| 2026-06-25partial | KGVW | ? | 19:00 CDT | N77867 | ||
| 2026-06-24partial | ? | ? | 00:00Z | N57862 | ||
| 2026-06-23partial | KIAD | ? | 20:00 EDT | N57852 | ||
| 2026-06-22partial | KNQA | ? | 19:00 CDT | N78866 | ||
| 2026-06-21partial | ? | ? | 00:00Z | N57862 | ||
| 2026-06-20partial | KIAD | ? | 20:18 EDT | N56859 | ||
| 2026-06-19partial | KSZL | ? | 19:00 CDT | A0B7B7 | ||
| 2026-06-18partial | KHRO | ? | 19:00 CDT | N57857 | ||
| 2026-06-17partial | KDSM | ? | 19:00 CDT | N77865 | ||
| 2026-06-16partial | KAOO | ? | 20:00 EDT | N57857 | ||
| 2026-06-15partial | KIAD | ? | 20:58 EDT | N77865 | ||
| 2026-06-14estimated | KDSM | KDEN | 19:00 CDT | 10:26 MDT | 16h 26m | N57863 |
| 2026-06-13estimated | KIAD | KDSM | 02:57 EDT | 18:58 CDT | 17h 00m | N57870 |
| 2026-06-12estimated | KMEM | KDEN | 19:00 CDT | 20:34 MDT | 2h 33m | N77867 |
| 2026-06-11estimated | KNYG | KNQA | 18:40 EDT | 18:58 CDT | 1h 17m | N77867 |
| 2026-05-29estimated | KCOU | KDEN | 19:00 CDT | 07:54 MDT | 13h 54m | N57855 |
| 2026-05-28partial | KUGN | ? | 19:00 CDT | N77871 | ||
| 2026-05-27partial | KDEN | ? | 18:00 MDT | N77867 | ||
| 2026-05-26partial | KFLV | ? | 19:00 CDT | N57855 | ||
| 2026-05-25partial | ? | ? | 00:00Z | N56859 | ||
| 2026-05-24partial | ? | ? | 00:00Z | N75854 | ||
| 2026-05-23partial | ? | ? | 00:00Z | N75861 | ||
| 2026-05-22partial | ? | ? | 00:00Z | N75853 | ||
| 2026-05-21partial | KSTL | ? | 19:00 CDT | N57857 | ||
| 2026-05-20partial | KIAD | ? | 21:44 EDT | N56859 | ||
| 2026-05-19partial | KIAD | ? | 21:24 EDT | N57855 | ||
| 2026-05-12 | KIAD | KDEN | 20:13 EDT | 21:30 MDT | 3h 16m | N57864 |
| 2026-05-11estimated | KCOU | KDEN | 19:00 CDT | 19:24 MDT | 1h 24m | A6ED7F |
| 2026-05-10partial | KBKF | ? | 18:00 MDT | A0B7FB | ||
| 2026-05-09partial | KDAY | ? | 20:00 EDT | N57864 | ||
| 2026-05-08partial | KOMA | ? | 19:00 CDT | A0B7DF | ||
| 2026-05-07partial | KFOD | ? | 19:00 CDT | N56859 | ||
| 2026-05-06partial | KOMA | ? | 19:00 CDT | A0B7DF | ||
| 2026-05-05partial | KBKF | ? | 18:25 MDT | N77871 | ||
| 2026-05-04partial | KIAD | ? | 23:06 EDT | A0B81D | ||
| 2026-05-03partial | KDEN | ? | 18:09 MDT | N57852 | ||
| 2026-05-02partial | KFOD | ? | 19:00 CDT | N57864 | ||
| 2026-05-01partial | KDEN | ? | 18:00 MDT | N57864 | ||
| 2026-04-30partial | KFOD | ? | 19:00 CDT | N74856 | ||
| 2026-04-29partial | KIAD | ? | 21:25 EDT | N75851 | ||
| 2026-04-28estimated | KFYV | KDEN | 19:00 CDT | 10:38 MDT | 16h 38m | N77867 |
| 2026-04-27partial | KIAB | ? | 19:00 CDT | N78866 | ||
| 2026-04-26partial | KBKF | ? | 18:00 MDT | N75854 | ||
| 2026-04-25partial | KIAD | ? | 21:31 EDT | N78866 | ||
| 2026-04-24estimated | KCOU | KDEN | 19:00 CDT | 20:36 MDT | 2h 36m | N57863 |
| 2026-04-23partial | ? | ? | 00:03Z | N75858 | ||
| 2026-04-22partial | ? | ? | 00:00Z | N57857 | ||
| 2026-04-21partial | ? | ? | 00:00Z | N57863 | ||
| 2026-04-20partial | ? | ? | 00:00Z | A55FE9 | ||
| 2026-04-19partial | ? | ? | 00:00Z | N57863 | ||
| 2026-04-18partial | ? | ? | 00:00Z | N77865 | ||
| 2026-04-17partial | ? | ? | 00:00Z | N57863 | ||
| 2026-04-16partial | ? | ? | 00:00Z | N77865 | ||
| 2026-04-15partial | ? | ? | 00:00Z | N75858 | ||
| 2026-04-14partial | ? | ? | 00:00Z | N75853 | ||
| 2026-04-13partial | ? | ? | 00:00Z | N57862 | ||
| 2026-04-12partial | ? | ? | 00:00Z | N75851 | ||
| 2026-04-11partial | ? | ? | 00:16Z | N57862 | ||
| 2026-04-10estimated | ? | ? | 23:38Z | 23:59Z | 0h 20m | N57862 |
| 2026-04-06estimated | KCOU | KDEN | 19:00 CDT | 09:33 MDT | 15h 33m | N75854 |
| 2026-04-05partial | ? | ? | 00:00Z | N75861 | ||
| 2026-04-04partial | ? | ? | 00:00Z | N77871 | ||
| 2026-04-03partial | ? | ? | 00:00Z | N57864 | ||
| 2026-04-02partial | ? | ? | 00:00Z | N57857 | ||
| 2026-04-01partial | ? | ? | 00:00Z | N57852 | ||
| 2026-03-31partial | KIAD | ? | 20:45 EDT | N57864 | ||
| 2026-03-30estimated | KCOU | KDEN | 19:00 CDT | 19:34 MDT | 1h 33m | N77865 |
| 2026-03-29partial | ? | ? | 00:00Z | N69826 | ||
| 2026-03-28estimated | ? | ? | 22:01Z | 23:58Z | 1h 56m | N69826 |
| 2026-03-16 | KIAD | KDEN | 22:26 EDT | 23:46 MDT | 3h 19m | A12AC7 |
| 2026-03-15estimated | ? | ? | 00:00Z | 11:21Z | 11h 21m | N66803 |
| 2026-03-14partial | ? | ? | 00:00Z | N67815 | ||
| 2026-03-13partial | ? | ? | 00:00Z | N68834 | ||
| 2026-02-09 | KIAD Washington Dulles International | ? | 17:26 EST | 23:26Z | 1h 00m | A9249C |
| 2025-10-02 | KBNA | ? | 06:12 CDT | 12:19Z | 1h 06m | A4423B |
| 2025-10-01 | KBNA | ? | 06:30 CDT | 12:32Z | 1h 01m | A097CE |
| 2025-09-30 | KBNA | ? | 06:31 CDT | 12:33Z | 1h 02m | A224F9 |
| 2025-09-29 | KBNA | KAEX | 06:52 CDT | 07:58 CDT | 1h 05m | A2C336 |
| 2025-09-28 | KBNA | ? | 06:16 CDT | 12:19Z | 1h 03m | AB417A |
| 2025-09-27 | KBNA | ? | 06:28 CDT | 12:33Z | 1h 05m | A1D63D |
| 2025-09-26 | KBNA | ? | 06:34 CDT | 12:35Z | 1h 01m | A0E6C6 |
| 2025-09-25 | KBNA | ? | 06:55 CDT | 13:01Z | 1h 05m | A58A29 |
| 2025-09-24 | KDEN Denver International | KTUL | 10:40 MDT | 12:41 CDT | 1h 01m | A445EE |
| 2025-09-23 | KDEN Denver International | KFLL Fort Lauderdale-Hollywood International | 11:07 MDT | 16:29 EDT | 3h 21m | A46D95 |
| 2025-09-22 | KDEN Denver International | KTNT | 10:32 MDT | 15:37 EDT | 3h 05m | A94B08 |
| 2025-09-21 | KDEN Denver International | KHWO | 10:17 MDT | 15:33 EDT | 3h 15m | A837A3 |
| 2025-09-20 | KDEN Denver International | KFLL Fort Lauderdale-Hollywood International | 10:26 MDT | 15:45 EDT | 3h 19m | A445EF |
| 2025-09-19 | KDEN Denver International | KFLL Fort Lauderdale-Hollywood International | 10:12 MDT | 15:34 EDT | 3h 21m | A91536 |
| 2025-09-18 | KDEN Denver International | KFLL Fort Lauderdale-Hollywood International | 10:53 MDT | 16:33 EDT | 3h 40m | A94B0A |
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 own receiver network archive. Questions: [email protected]