Flight
UAL638
Flight history and live tracking for UAL638, 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 | KSFO SAN FRANCISCO INTERNATIONAL → PHNL HONOLULU INTERNATIONAL |
| Scheduled departure | 19:10 PDT |
Scheduled and estimated times from the FAA SWIM feed, local to each airport.
Route
| Airline | United Airlines |
| Typical origin | KSFO SAN FRANCISCO INTERNATIONAL |
| Typical destination | PHNL HONOLULU INTERNATIONAL |
| Distance | 2,083 nm |
Flight history 298 flights since Aug 2025
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-10-03 | KSFO SAN FRANCISCO INTERNATIONAL | PHNL HONOLULU INTERNATIONAL | 19:35 PDT | 21:36 HST | 5h 01m | N77558 |
| 2026-10-02 | KSFO SAN FRANCISCO INTERNATIONAL | PHNL HONOLULU INTERNATIONAL | 19:28 PDT | 21:28 HST | 5h 00m | N77552 |
| 2026-10-01 | KSFO SAN FRANCISCO INTERNATIONAL | PHNL HONOLULU INTERNATIONAL | 19:26 PDT | 21:15 HST | 4h 49m | N77573 |
| 2026-09-30 | KSFO SAN FRANCISCO INTERNATIONAL | PHNL HONOLULU INTERNATIONAL | 19:31 PDT | 21:23 HST | 4h 52m | N17435 |
| 2026-09-29 | KSFO SAN FRANCISCO INTERNATIONAL | PHNL HONOLULU INTERNATIONAL | 19:35 PDT | 21:12 HST | 4h 37m | N17406 |
| 2026-09-28 | KSFO SAN FRANCISCO INTERNATIONAL | PHNL HONOLULU INTERNATIONAL | 19:32 PDT | 21:11 HST | 4h 39m | N37545 |
| 2026-09-27 | KSFO SAN FRANCISCO INTERNATIONAL | PHNL HONOLULU INTERNATIONAL | 19:29 PDT | 21:21 HST | 4h 52m | N17454 |
| 2026-09-26 | KSFO SAN FRANCISCO INTERNATIONAL | PHNL HONOLULU INTERNATIONAL | 19:50 PDT | 21:49 HST | 4h 59m | N77552 |
| 2026-09-25 | KSFO SAN FRANCISCO INTERNATIONAL | PHNL HONOLULU INTERNATIONAL | 19:57 PDT | 21:51 HST | 4h 54m | N77552 |
| 2026-09-23 | KDCA | KORD | 11:58 EDT | 13:16 CDT | 2h 17m | N13718 |
| 2026-09-22 | KDCA | KORD | 11:54 EDT | 12:50 CDT | 1h 55m | N38727 |
| 2026-09-21 | KDCA | KORD | 11:52 EDT | 12:54 CDT | 2h 01m | N27734 |
| 2026-09-18 | KDCA | KORD | 12:08 EDT | 12:48 CDT | 1h 39m | A12798 |
| 2026-09-17 | KDCA | KORD | 13:58 EDT | 14:46 CDT | 1h 47m | N27734 |
| 2026-09-16 | KDCA | KORD | 13:08 EDT | 14:04 CDT | 1h 56m | N15751 |
| 2026-09-15estimated | KDCA | KORD | 13:48 EDT | 14:24 CDT | 1h 35m | N39726 |
| 2026-09-14 | KDCA | KORD | 12:05 EDT | 12:46 CDT | 1h 40m | N17753 |
| 2026-09-13 | KDCA | KORD | 12:10 EDT | 14:13 CDT | 3h 02m | N33292 |
| 2026-09-12 | KDCA | KORD | 11:58 EDT | 12:32 CDT | 1h 34m | N12218 |
| 2026-09-11 | KDCA | KORD | 12:17 EDT | 12:52 CDT | 1h 35m | N16713 |
| 2026-09-10estimated | KDCA | ? | 12:05 EDT | 17:38Z | 1h 33m | N16713 |
| 2026-09-09 | ? | KORD | 13:47Z | 12:42 CDT | 3h 54m | N77296 |
| 2026-09-08estimated | ? | KORD | 00:00Z | 12:50 CDT | 17h 49m | N77296 |
| 2026-09-07partial | ? | ? | 00:00Z | N17229 | ||
| 2026-09-06estimated | ? | ? | 15:00Z | 23:58Z | 8h 58m | N27213 |
| 2026-09-06estimated | ? | KTPA | 00:00Z | 21:36 EDT | 1h 35m | A12AE3 |
| 2026-09-05estimated | ? | ? | 16:22Z | 23:58Z | 7h 35m | N17229 |
| 2026-09-05estimated | ? | KTPA | 00:00Z | 21:34 EDT | 1h 33m | N27213 |
| 2026-09-04estimated | ? | ? | 14:03Z | 23:58Z | 9h 54m | N37290 |
| 2026-09-04estimated | ? | ? | 00:00Z | 01:50Z | 1h 50m | N37290 |
| 2026-09-03partial | ? | ? | 00:00Z | N17229 |
Earlier flights (267) - back to 2025-08-15
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-09-01estimated | ? | ? | 21:09Z | 23:58Z | 2h 48m | AA7F2A |
| 2026-09-01estimated | ? | ? | 00:00Z | 01:38Z | 1h 38m | AA7F2A |
| 2026-08-31partial | ? | ? | 00:00Z | N13227 | ||
| 2026-08-30estimated | ? | ? | 12:18Z | 23:58Z | 11h 39m | N34282 |
| 2026-08-30estimated | ? | ? | 00:00Z | 01:46Z | 1h 46m | N34282 |
| 2026-08-29estimated | ? | ? | 16:12Z | 23:58Z | 7h 45m | N18243 |
| 2026-08-29estimated | ? | ? | 00:00Z | 02:20Z | 2h 19m | N18243 |
| 2026-08-28partial | ? | ? | 00:00Z | A12750 | ||
| 2026-08-27estimated | ? | ? | 12:29Z | 23:58Z | 11h 28m | N73270 |
| 2026-08-27 | ? | KTPA | 00:13Z | 23:20 EDT | 3h 06m | N78524 |
| 2026-08-25partial | ? | ? | 00:00Z | N76522 | ||
| 2026-08-24partial | ? | ? | 00:06Z | N75435 | ||
| 2026-08-23partial | ? | ? | 00:00Z | N87507 | ||
| 2026-08-22estimated | ? | ? | 14:09Z | 23:58Z | 9h 48m | N76288 |
| 2026-08-22 | ? | KTPA | 00:00Z | 23:12 EDT | 3h 11m | N76288 |
| 2026-08-21estimated | ? | ? | 00:00Z | 01:42Z | 1h 41m | N87531 |
| 2026-08-20partial | ? | ? | 00:00Z | N17456 | ||
| 2026-08-19partial | ? | ? | 00:00Z | N76288 | ||
| 2026-08-18partial | ? | ? | 00:00Z | N35204 | ||
| 2026-08-17partial | ? | ? | 00:44Z | N73251 | ||
| 2026-08-16partial | ? | ? | 01:37Z | N79541 | ||
| 2026-08-15estimated | ? | ? | 00:00Z | 02:24Z | 2h 23m | N17229 |
| 2026-08-14partial | ? | ? | 00:00Z | N24202 | ||
| 2026-08-13partial | ? | ? | 00:00Z | N34222 | ||
| 2026-08-12partial | ? | ? | 00:00Z | N37561 | ||
| 2026-08-11estimated | ? | ? | 22:43Z | 23:58Z | 1h 14m | N37561 |
| 2026-07-23estimated | KSFO | PHNL | 20:03 PDT | 22:28 HST | 5h 24m | N75861 |
| 2026-07-22estimated | KSFO | PHNL | 19:01 PDT | 21:28 HST | 5h 26m | N75851 |
| 2026-07-21estimated | ? | ? | 02:07Z | 07:11Z | 5h 03m | N77867 |
| 2026-07-20estimated | KSFO | PHNL | 19:09 PDT | 21:34 HST | 5h 24m | N57868 |
| 2026-07-19 | KSFO | PHNL | 20:39 PDT | 22:56 HST | 5h 17m | N75861 |
| 2026-07-18 | KSFO | PHNL | 19:23 PDT | 21:30 HST | 5h 07m | N57864 |
| 2026-07-17estimated | KSFO | PHNL | 19:21 PDT | 21:34 HST | 5h 12m | N77865 |
| 2026-07-16estimated | KSFO | PHNL | 19:27 PDT | 21:42 HST | 5h 14m | N75861 |
| 2026-07-15estimated | ? | PHNL | 02:40Z | 21:48 HST | 5h 07m | N57864 |
| 2026-07-14 | KSFO | PHNL | 19:37 PDT | 21:34 HST | 4h 56m | N75858 |
| 2026-07-13 | KSFO | PHNL | 19:01 PDT | 21:00 HST | 4h 58m | N75858 |
| 2026-07-12 | KSFO | PHNL | 18:53 PDT | 21:10 HST | 5h 16m | N57855 |
| 2026-07-11estimated | KSFO | ? | 19:32 PDT | 07:22Z | 4h 49m | N57869 |
| 2026-07-10estimated | KSFO | PHNL | 19:18 PDT | 21:34 HST | 5h 15m | N77867 |
| 2026-07-09estimated | KSFO | ? | 19:01 PDT | 07:08Z | 5h 06m | N75858 |
| 2026-07-08estimated | KSFO | PHNL | 19:17 PDT | 21:08 HST | 4h 50m | N57863 |
| 2026-07-07estimated | KSFO | PHNL | 19:37 PDT | 21:48 HST | 5h 11m | N57869 |
| 2026-07-06estimated | KSFO | PHNL | 19:35 PDT | 21:46 HST | 5h 10m | N57852 |
| 2026-07-05 | KSFO | PHNL | 18:59 PDT | 21:20 HST | 5h 20m | N57863 |
| 2026-07-04estimated | KSFO | PHNL | 19:02 PDT | 21:28 HST | 5h 25m | N57869 |
| 2026-07-03estimated | KSFO | PHNL | 19:09 PDT | 21:08 HST | 4h 58m | N78866 |
| 2026-07-02 | KSFO | PHJR | 18:58 PDT | 21:14 HST | 5h 15m | N57852 |
| 2026-07-01estimated | KSFO | PHNL | 19:01 PDT | 21:18 HST | 5h 16m | N77867 |
| 2026-06-30estimated | KSFO | PHNL | 19:14 PDT | 21:42 HST | 5h 28m | N73860 |
| 2026-06-29estimated | KSFO | PHNL | 19:05 PDT | 21:36 HST | 5h 30m | N77865 |
| 2026-06-28estimated | KSFO | PHNL | 18:58 PDT | 21:02 HST | 5h 03m | N77867 |
| 2026-06-27estimated | KSFO | PHNL | 19:04 PDT | 21:14 HST | 5h 09m | N57852 |
| 2026-06-26estimated | KSFO | PHNL | 19:04 PDT | 21:06 HST | 5h 01m | N57863 |
| 2026-06-25 | KSFO | PHNL | 19:01 PDT | 21:18 HST | 5h 17m | N75858 |
| 2026-06-24estimated | KSFO | PHNL | 20:45 PDT | 23:00 HST | 5h 15m | N57852 |
| 2026-06-23 | KSFO | PHNL | 18:58 PDT | 21:12 HST | 5h 13m | N78866 |
| 2026-06-22estimated | KSFO | PHNL | 19:06 PDT | 21:38 HST | 5h 31m | N57863 |
| 2026-06-21estimated | KSFO | PHNL | 21:43 PDT | 00:08 HST | 5h 24m | N56859 |
| 2026-06-20estimated | KSFO | PHNL | 19:00 PDT | 21:18 HST | 5h 17m | N57869 |
| 2026-06-19estimated | KSFO | PHNL | 19:37 PDT | 21:38 HST | 5h 00m | N57869 |
| 2026-06-18estimated | KSFO | PHNL | 19:03 PDT | 21:16 HST | 5h 13m | N77865 |
| 2026-06-17estimated | KSFO | PHNL | 19:26 PDT | 21:42 HST | 5h 15m | N73860 |
| 2026-06-16 | KSFO | PHNL | 19:30 PDT | 21:30 HST | 4h 59m | N57863 |
| 2026-06-15estimated | KSFO | PHNL | 22:31 PDT | 00:18 HST | 4h 46m | N75851 |
| 2026-06-14estimated | KSFO | PHNL | 19:15 PDT | 21:14 HST | 4h 58m | N73860 |
| 2026-06-13estimated | KSFO | PHNL | 19:12 PDT | 21:24 HST | 5h 11m | N77865 |
| 2026-06-12 | KSFO | PHNL | 20:53 PDT | 22:52 HST | 4h 58m | N57868 |
| 2026-05-29estimated | KSFO | PHNL | 20:30 PDT | 22:56 HST | 5h 25m | N57852 |
| 2026-05-28estimated | KSFO | ? | 19:15 PDT | 06:56Z | 4h 40m | N77867 |
| 2026-05-27estimated | KSFO | PHNL | 19:14 PDT | 20:50 HST | 4h 35m | N75851 |
| 2026-05-26estimated | KSFO | ? | 22:09 PDT | 09:42Z | 4h 32m | N75858 |
| 2026-05-25estimated | KSFO | ? | 19:02 PDT | 06:50Z | 4h 47m | N75861 |
| 2026-05-24estimated | KSFO | ? | 20:32 PDT | 08:22Z | 4h 50m | N57863 |
| 2026-05-23estimated | KSFO | ? | 19:33 PDT | 07:32Z | 4h 58m | N77871 |
| 2026-05-22estimated | KSFO | PHNL | 19:09 PDT | 21:06 HST | 4h 56m | N78866 |
| 2026-05-21estimated | KSFO | ? | 19:20 PDT | 02:56Z | 0h 35m | A445AD |
| 2026-05-20partial | KSFO | ? | 19:09 PDT | N27520 | ||
| 2026-05-19partial | KSFO | ? | 18:45 PDT | A12F73 | ||
| 2026-05-12estimated | KSFO | ? | 19:09 PDT | 03:12Z | 1h 02m | A445AD |
| 2026-05-11estimated | KSFO | ? | 19:16 PDT | 02:50Z | 0h 33m | AA7F01 |
| 2026-05-10estimated | KSFO | PHNL | 19:36 PDT | 16:56 HST | 0h 19m | N37456 |
| 2026-05-09estimated | KSFO | ? | 19:46 PDT | 03:35Z | 0h 49m | AA7F02 |
| 2026-05-08estimated | KSFO | ? | 19:25 PDT | 03:08Z | 0h 42m | N37506 |
| 2026-05-07estimated | KSFO | ? | 19:19 PDT | 02:50Z | 0h 30m | A12F09 |
| 2026-05-06estimated | KSFO | ? | 19:16 PDT | 07:26Z | 5h 09m | A5D2D4 |
| 2026-05-05estimated | KSFO | ? | 19:16 PDT | 07:16Z | 4h 59m | A5D2D4 |
| 2026-05-04estimated | KSFO | ? | 19:09 PDT | 07:06Z | 4h 56m | N27539 |
| 2026-05-03estimated | KSFO | ? | 19:09 PDT | 06:52Z | 4h 42m | N37510 |
| 2026-05-02estimated | KSFO | ? | 19:23 PDT | 07:14Z | 4h 50m | A2B83B |
| 2026-05-01estimated | KSFO | PHNL | 19:25 PDT | 21:08 HST | 4h 42m | A449A1 |
| 2026-04-30estimated | KSFO | PHNL | 19:29 PDT | 21:04 HST | 4h 34m | A12F6D |
| 2026-04-29estimated | KSFO | ? | 19:11 PDT | 02:52Z | 0h 40m | A2B7F5 |
| 2026-04-28estimated | KSFO | PHNL | 19:31 PDT | 21:06 HST | 4h 34m | N77543 |
| 2026-04-27estimated | KSFO | PHNL | 19:29 PDT | 21:12 HST | 4h 42m | AA7F4E |
| 2026-04-26estimated | KSFO | PHNL | 19:26 PDT | 21:14 HST | 4h 47m | A12F6D |
| 2026-04-25estimated | KSFO | ? | 19:02 PDT | 07:30Z | 5h 27m | N37548 |
| 2026-04-24estimated | ? | ? | 02:10Z | 07:20Z | 5h 09m | AA7F09 |
| 2026-04-23estimated | ? | ? | 02:12Z | 07:34Z | 5h 21m | N37553 |
| 2026-04-22estimated | ? | ? | 02:05Z | 07:24Z | 5h 18m | A12F4C |
| 2026-04-21estimated | ? | PHNL | 02:47Z | 22:04 HST | 5h 16m | A449A8 |
| 2026-04-20estimated | ? | ? | 02:20Z | 07:50Z | 5h 29m | N37556 |
| 2026-04-19estimated | ? | ? | 02:11Z | 07:22Z | 5h 10m | N37508 |
| 2026-04-18estimated | ? | ? | 03:03Z | 08:20Z | 5h 16m | N37553 |
| 2026-04-17estimated | ? | ? | 02:14Z | 07:56Z | 5h 41m | A12F75 |
| 2026-04-16estimated | ? | ? | 02:15Z | 07:30Z | 5h 14m | A12F52 |
| 2026-04-15estimated | ? | ? | 02:25Z | 07:44Z | 5h 18m | N37562 |
| 2026-04-14estimated | ? | ? | 02:12Z | 07:46Z | 5h 33m | A2BC5A |
| 2026-04-13estimated | ? | ? | 02:13Z | 07:26Z | 5h 12m | AA7F27 |
| 2026-04-12estimated | ? | ? | 02:10Z | 07:44Z | 5h 33m | N37537 |
| 2026-04-11estimated | KSFO | PHNL | 19:42 PDT | 21:44 HST | 5h 02m | A449A8 |
| 2026-04-06estimated | ? | PHNL | 02:17Z | 21:48 HST | 5h 30m | A12AC9 |
| 2026-04-05estimated | ? | ? | 02:19Z | 07:28Z | 5h 08m | A12AA1 |
| 2026-04-04estimated | ? | PHNL | 02:43Z | 21:26 HST | 4h 43m | N37530 |
| 2026-04-03estimated | KSFO | PHNL | 19:44 PDT | 21:18 HST | 4h 33m | A12F07 |
| 2026-04-02estimated | ? | ? | 02:16Z | 07:20Z | 5h 03m | N17529 |
| 2026-04-01estimated | ? | ? | 03:00Z | 08:12Z | 5h 11m | N37551 |
| 2026-03-31estimated | KSFO | PHNL | 19:08 PDT | 21:14 HST | 5h 06m | A12F09 |
| 2026-03-30estimated | KSFO | PHNL | 19:14 PDT | 21:40 HST | 5h 26m | A12A7C |
| 2026-03-29estimated | ? | ? | 02:04Z | 07:28Z | 5h 23m | N37528 |
| 2026-03-16estimated | ? | ? | 01:47Z | 07:10Z | 5h 23m | N37532 |
| 2026-03-15estimated | ? | ? | 02:00Z | 06:58Z | 4h 57m | A12AA1 |
| 2026-03-14estimated | ? | ? | 01:59Z | 07:18Z | 5h 18m | A44540 |
| 2026-03-13estimated | ? | ? | 02:01Z | 07:32Z | 5h 31m | AD953C |
| 2026-03-12estimated | KSFO | PHNL | 18:50 PDT | 21:08 HST | 5h 17m | A12F73 |
| 2026-03-11estimated | KSFO | PHNL | 18:54 PDT | 21:12 HST | 5h 17m | A12F73 |
| 2026-03-10estimated | KSFO | PHNL | 18:54 PDT | 16:38 HST | 0h 44m | A12F73 |
| 2026-03-09estimated | KSFO | PHNL | 18:51 PDT | 16:44 HST | 0h 52m | A12AC5 |
| 2026-03-07estimated | KSFO | PHNL | 18:57 PST | 17:46 HST | 0h 49m | A12F52 |
| 2026-03-06estimated | KSFO | PHNL | 18:50 PST | 17:32 HST | 0h 42m | N27515 |
| 2026-03-05 | KDEN | KLAX | 19:35 MST | 21:18 PST | 2h 43m | A0B840 |
| 2026-03-04 | KDEN | KLAX | 19:37 MST | 20:54 PST | 2h 16m | A3D326 |
| 2026-03-03 | ? | KHHR | 02:35Z | 21:48 PST | 3h 13m | A0B81D |
| 2026-03-02 | KDEN | KHHR | 21:01 MST | 22:24 PST | 2h 22m | A0B866 |
| 2026-03-02partial | KDEN | ? | 19:35 MST | A0B866 | ||
| 2026-03-01 | KDEN | KLAX | 19:50 MST | 21:18 PST | 2h 28m | A6ED3B |
| 2026-02-28 | KDEN | KLAX | 19:29 MST | 20:54 PST | 2h 24m | A0B7DC |
| 2026-02-27 | KDEN | KHHR | 19:33 MST | 21:04 PST | 2h 31m | A0B7BA |
| 2026-02-26 | KDEN | KHHR | 21:24 MST | 22:46 PST | 2h 22m | A3D326 |
| 2026-02-25 | ? | KLAX | 02:39Z | 21:20 PST | 2h 40m | A2452C |
| 2026-02-24 | KDEN | KLAX | 19:35 MST | 21:04 PST | 2h 28m | A24573 |
| 2026-02-23 | KDEN | KHHR | 19:45 MST | 21:06 PST | 2h 20m | AA07F9 |
| 2026-02-22 | KDEN | KLAX | 19:48 MST | 21:28 PST | 2h 39m | A0B88A |
| 2026-02-21 | KDEN | KLAX | 20:04 MST | 21:30 PST | 2h 25m | A0B844 |
| 2026-02-20 | KDEN | KLAX | 19:32 MST | 21:16 PST | 2h 43m | A0B866 |
| 2026-02-19 | KDEN | KHHR | 19:37 MST | 21:10 PST | 2h 33m | A24508 |
| 2026-02-18 | KDEN | KLAX | 20:23 MST | 22:06 PST | 2h 42m | A245B7 |
| 2026-02-17 | KDEN | KLAX | 19:34 MST | 21:14 PST | 2h 39m | A0B88B |
| 2026-02-16 | KDEN | KLAX | 19:37 MST | 21:16 PST | 2h 38m | A0B81D |
| 2026-02-15 | KDEN | KLAX | 19:38 MST | 21:04 PST | 2h 25m | AA07F9 |
| 2026-02-14estimated | ? | ? | 11:44Z | 12:18Z | 0h 34m | A6ED7F |
| 2026-02-14estimated | ? | ? | 07:27Z | 09:04Z | 1h 36m | A6ED7F |
| 2026-02-14 | KDEN | KLAX | 19:28 MST | 20:50 PST | 2h 21m | A6ED7F |
| 2026-02-13estimated | ? | KLAX | 06:09Z | 23:08 PST | 0h 58m | A0B88A |
| 2026-02-13 | KDEN | KLAX | 19:27 MST | 21:22 PST | 2h 54m | A0B88A |
| 2026-02-12estimated | ? | KDEN | 00:01Z | 18:14 MST | 1h 12m | N53442 |
| 2026-02-11partial | KPHL | ? | 21:24 EST | A445F2 | ||
| 2026-02-10 | KPHL | KCMH | 15:51 EST | 16:53 EST | 1h 01m | A445F2 |
| 2026-02-07partial | ? | ? | 00:02Z | N37464 | ||
| 2026-02-06partial | ? | ? | 00:00Z | N61887 | ||
| 2026-02-05partial | ? | ? | 00:00Z | A75FBF | ||
| 2026-02-04partial | ? | ? | 00:00Z | N62883 | ||
| 2026-02-03partial | ? | ? | 00:00Z | N75432 | ||
| 2026-02-02partial | ? | ? | 00:00Z | N67845 | ||
| 2026-02-01partial | ? | ? | 00:00Z | N69839 | ||
| 2026-01-31partial | ? | ? | 00:00Z | N69824 | ||
| 2026-01-30partial | ? | ? | 00:01Z | N39450 | ||
| 2026-01-29partial | ? | ? | 00:00Z | N69806 | ||
| 2026-01-28partial | ? | ? | 00:00Z | N75428 | ||
| 2026-01-27partial | ? | ? | 00:01Z | N37471 | ||
| 2026-01-26estimated | KPHL | ? | 18:04 EST | 23:58Z | 0h 53m | N37471 |
| 2026-01-25 | ? | KDEN | 00:00Z | 19:40 MST | 2h 39m | N61882 |
| 2026-01-24partial | KPHL | ? | 21:28 EST | N77431 | ||
| 2026-01-23estimated | ? | KDEN | 00:09Z | 18:14 MST | 1h 04m | N66828 |
| 2026-01-22partial | ? | ? | 00:00Z | N27477 | ||
| 2026-01-21partial | ? | ? | 00:02Z | N69885 | ||
| 2026-01-20partial | ? | ? | 00:00Z | N37419 | ||
| 2026-01-19partial | ? | ? | 00:02Z | N37413 | ||
| 2026-01-18 | KPHL | ? | 15:46 EST | 23:52Z | 3h 05m | N37413 |
| 2026-01-17estimated | ? | ? | 23:02Z | 23:30Z | 0h 27m | N69833 |
| 2026-01-09partial | ? | ? | 00:01Z | N75428 | ||
| 2026-01-08partial | ? | ? | 00:00Z | N68807 | ||
| 2026-01-07partial | ? | ? | 00:00Z | N37257 | ||
| 2026-01-06partial | KMSY | ? | 20:03 CST | N12221 | ||
| 2026-01-05 | KSFO | PHNL | 19:08 PST | 22:46 HST | 5h 37m | A12F52 |
| 2026-01-05 | ? | KSFO | 00:00Z | 17:50 PST | 1h 50m | N18223 |
| 2026-01-04partial | KSFO | ? | 19:42 PST | AA7F06 | ||
| 2026-01-03 | ? | KSFO | 00:00Z | 19:28 PST | 3h 27m | N87513 |
| 2026-01-02partial | KSFO | ? | 18:27 PST | A12A7D | ||
| 2026-01-02estimated | ? | KSFO | 00:02Z | 17:00 PST | 0h 58m | N77537 |
| 2026-01-01partial | KSFO | ? | 18:29 PST | A44540 | ||
| 2026-01-01estimated | ? | KSFO | 00:02Z | 16:44 PST | 0h 41m | N76529 |
| 2025-12-31partial | ? | ? | 02:17Z | N77543 | ||
| 2025-12-31estimated | ? | KSFO | 00:07Z | 16:48 PST | 0h 40m | N18243 |
| 2025-12-30partial | KSFO | ? | 18:49 PST | A12A7B | ||
| 2025-12-30estimated | ? | KSFO | 00:02Z | 17:02 PST | 1h 00m | N33292 |
| 2025-12-29partial | KSFO | ? | 18:29 PST | N67501 | ||
| 2025-12-29estimated | ? | KSFO | 00:00Z | 16:50 PST | 0h 50m | N87513 |
| 2025-12-28partial | KSFO | ? | 18:43 PST | A12F4C | ||
| 2025-12-27 | ? | KSFO | 00:05Z | 18:02 PST | 1h 56m | N87513 |
| 2025-12-26partial | KSFO | ? | 19:25 PST | A12AA1 | ||
| 2025-12-25estimated | KSFO | PHNL | 18:34 PST | 22:20 HST | 5h 45m | N63820 |
| 2025-12-25estimated | ? | KSFO | 00:00Z | 17:02 PST | 1h 01m | N37290 |
| 2025-12-24partial | ? | ? | 00:00Z | N26215 | ||
| 2025-12-23partial | KSFO | ? | 18:31 PST | N27509 | ||
| 2025-12-23estimated | ? | KSFO | 00:00Z | 16:52 PST | 0h 52m | N77538 |
| 2025-12-22partial | KMSY | ? | 18:21 CST | N73251 | ||
| 2025-12-21 | KSFO | PHNL | 18:25 PST | 22:20 HST | 5h 55m | N47524 |
| 2025-12-20estimated | KSFO | PHNL | 19:31 PST | 23:50 HST | 6h 18m | A12EE7 |
| 2025-12-20estimated | ? | KSFO | 00:00Z | 17:30 PST | 1h 29m | N73251 |
| 2025-12-19partial | KSFO | ? | 18:33 PST | A2B7CD | ||
| 2025-12-19estimated | ? | KSFO | 00:00Z | 17:16 PST | 1h 16m | N76505 |
| 2025-12-18partial | KSFO | ? | 18:46 PST | N37542 | ||
| 2025-12-17 | KSFO | PHNL | 18:42 PST | 22:28 HST | 5h 45m | N37542 |
| 2025-12-16 | KSFO | PHNL | 18:38 PST | 22:14 HST | 5h 35m | N37514 |
| 2025-12-15 | KSFO | PHNL | 18:51 PST | 22:12 HST | 5h 20m | N47505 |
| 2025-12-14 | KSFO | PHNL | 18:35 PST | 22:08 HST | 5h 32m | A12F09 |
| 2025-12-13 | KSFO | PHNL | 18:51 PST | 22:10 HST | 5h 18m | A12F09 |
| 2025-12-12 | KSFO | PHNL | 18:43 PST | 22:10 HST | 5h 26m | A12F09 |
| 2025-12-11 | KSFO | PHNL | 18:42 PST | 22:08 HST | 5h 26m | AA7F46 |
| 2025-12-10 | KSFO | PHNL | 18:43 PST | 22:00 HST | 5h 16m | AA7F46 |
| 2025-12-02estimated | KSFO | PHNL | 18:44 PST | 21:40 HST | 4h 55m | AA7F25 |
| 2025-12-02estimated | ? | KSFO | 00:45Z | 17:20 PST | 0h 34m | N468UA |
| 2025-11-28estimated | KSFO | PHNL | 18:42 PST | 21:50 HST | 5h 07m | A12A9E |
| 2025-11-27estimated | KSFO | PHNL | 18:53 PST | 22:08 HST | 5h 14m | AA7F48 |
| 2025-11-27 | ? | KSFO | 00:00Z | 17:40 PST | 1h 39m | N831UA |
| 2025-11-26estimated | ? | ? | 07:42Z | 23:58Z | 16h 16m | A12A7D |
| 2025-10-30estimated | KSFO | PHNL | 18:32 PDT | 20:42 HST | 5h 09m | A12A81 |
| 2025-10-29partial | ? | ? | 01:34Z | N37507 | ||
| 2025-10-28partial | ? | ? | 01:50Z | N37507 | ||
| 2025-10-27partial | ? | ? | 02:45Z | A12A80 | ||
| 2025-10-27estimated | ? | ? | 00:00Z | 00:52Z | 0h 52m | A126CC |
| 2025-10-26partial | ? | ? | 02:29Z | N37545 | ||
| 2025-10-25 | KSFO | PHNL | 19:04 PDT | 20:52 HST | 4h 48m | A12F6F |
| 2025-10-24estimated | KSFO | PHNL | 19:23 PDT | 21:08 HST | 4h 44m | A5D6F9 |
| 2025-10-23 | KSFO | PHNL | 19:14 PDT | 20:58 HST | 4h 43m | N37513 |
| 2025-10-22estimated | KSFO | PHNL | 18:56 PDT | 20:58 HST | 5h 01m | N37551 |
| 2025-10-21 | KSFO | PHNL | 19:08 PDT | 05:34 HST | 13h 25m | N37531 |
| 2025-10-20 | KSFO | PHNL | 19:55 PDT | 21:50 HST | 4h 54m | N37507 |
| 2025-10-19estimated | KSFO | PHJR | 19:21 PDT | 08:36 HST | 16h 14m | N27526 |
| 2025-10-15 | KSFO | PHNL | 18:55 PDT | 21:18 HST | 5h 22m | A12A7B |
| 2025-10-14 | KSFO | PHNL | 19:29 PDT | 21:48 HST | 5h 19m | A12A7B |
| 2025-10-13 | KSFO | PHNL | 19:10 PDT | 21:36 HST | 5h 26m | A12A7B |
| 2025-10-08 | KSFO | PHNL | 18:58 PDT | 21:28 HST | 5h 29m | N37534 |
| 2025-10-07 | KSFO | PHNL | 18:50 PDT | 21:06 HST | 5h 16m | N27539 |
| 2025-10-06 | KSFO | PHNL | 19:08 PDT | 21:33 HST | 5h 24m | A12A7D |
| 2025-10-04 | KSFO | PHNL | 08:45 PDT | 08:00 HST | 2h 14m | N37513 |
| 2025-10-02 | KSFO San Francisco International | ? | 20:28 PDT | 08:05Z | 4h 37m | A448F8 |
| 2025-10-01 | KSFO San Francisco International | ? | 19:12 PDT | 06:52Z | 4h 39m | AA7F08 |
| 2025-09-30 | KSFO San Francisco International | ? | 19:30 PDT | 06:52Z | 4h 22m | AA7F24 |
| 2025-09-29 | KSFO San Francisco International | ? | 19:20 PDT | 07:02Z | 4h 42m | AA7F08 |
| 2025-09-28 | KSFO San Francisco International | ? | 19:55 PDT | 07:37Z | 4h 42m | A12F70 |
| 2025-09-27 | KSFO San Francisco International | ? | 19:16 PDT | 06:58Z | 4h 42m | A2BBC6 |
| 2025-09-26 | KSFO San Francisco International | ? | 19:05 PDT | 06:51Z | 4h 45m | A2BBC6 |
| 2025-09-25 | ? | PAFA | 00:00Z | 19:17 AKDT | 3h 17m | A5CFA5 |
| 2025-09-24 | CYCG | PAFA | 17:00 PDT | 19:08 AKDT | 3h 07m | A126CC |
| 2025-09-23 | CYQL | PAFA | 18:00 MDT | 19:32 AKDT | 3h 31m | A12735 |
| 2025-09-22 | ? | PAFA | 00:00Z | 19:27 AKDT | 3h 26m | A12735 |
| 2025-09-21 | ? | PAFA | 00:00Z | 18:57 AKDT | 2h 57m | A43EEA |
| 2025-09-20 | ? | PAFA | 00:00Z | 19:20 AKDT | 3h 20m | A12758 |
| 2025-09-19 | ? | PAFA | 00:00Z | 19:07 AKDT | 3h 06m | A2B130 |
| 2025-08-22 | KDEN | ? | 19:15 MDT | 04:51Z | 3h 35m | N62849 |
| 2025-08-20 | KDEN | ? | 19:39 MDT | 04:10Z | 2h 30m | N69833 |
| 2025-08-19 | KSFO | PHNL | 21:15 PDT | 21:56 HST | 3h 41m | AA7F25 |
| 2025-08-17partial | KSFO | ? | 00:10 PDT | N37548 | ||
| 2025-08-16 | KSFO | PHNL | 19:27 PDT | 21:42 HST | 5h 14m | AA7F4E |
| 2025-08-15 | KSFO | PHNL | 21:52 PDT | 00:08 HST | 5h 15m | N47524 |
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.
Follow this flight
Get an email when UAL638 flies + if it runs late.
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]