Flight
UAL3781
Flight history and live tracking for UAL3781, 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 | KBFI → KLAX |
Flight history 37 flights since Sep 2025
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-09-28 | KBFI BOEING FLD KING CO INTERNATIONAL | KLGB LONG BEACH | 17:03 PDT | 19:20 PDT | 2h 17m | N24526 |
| 2026-09-27 | KBFI BOEING FLD KING CO INTERNATIONAL | KLGB LONG BEACH | 17:03 PDT | 19:17 PDT | 2h 14m | N24526 |
| 2026-09-24 | KSMF | KBFI | 23:13 PDT | 00:46 PDT | 1h 32m | N14521 |
| 2026-09-21 | KLGB | KSMF | 17:43 PDT | 18:48 PDT | 1h 05m | A0B844 |
| 2026-09-14 | KIAD | ? | 20:00 EDT | 05:04Z | 5h 03m | N73860 |
| 2026-09-10 | KBOS | KIAD | 23:37 EDT | 00:40 EDT | 1h 03m | A3D34B |
| 2026-09-06 | KPIT | KBOS | 17:58 EDT | 19:08 EDT | 1h 09m | A0B867 |
| 2026-09-03 | ? | KPIT | 06:44Z | 06:52 EDT | 4h 07m | N57862 |
Earlier flights (29) - back to 2025-09-19
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-08-24estimated | KSMF | KLGB | 17:13 PDT | 19:02 PDT | 1h 48m | A0B7FA |
| 2026-08-23estimated | KFTW | KMSP | 18:25 CDT | 18:54 CDT | 0h 28m | A0B7FA |
| 2026-08-21 | KIAH | KDAL | 00:04 CDT | 00:48 CDT | 0h 43m | N66814 |
| 2026-08-17 | ? | KIAH | 00:40Z | 08:50 CDT | 13h 09m | N14565 |
| 2026-07-23estimated | ? | KSFO | 00:53Z | 19:04 PDT | 1h 10m | A12AE6 |
| 2026-07-12 | KMSP | KLGB | 17:30 CDT | 18:38 PDT | 3h 08m | A3D2E5 |
| 2026-07-10estimated | KFTW | KMSP | 00:14 CDT | 02:16 CDT | 2h 01m | A0B81E |
| 2026-07-06estimated | KLAX | KDAL | 23:35 PDT | 04:18 CDT | 2h 43m | A0B801 |
| 2026-07-03estimated | KBFI | KLAX | 22:50 PDT | 01:04 PDT | 2h 14m | A0B821 |
| 2026-06-29 | KLGB | KSEA | 17:00 PDT | 19:20 PDT | 2h 20m | A0B889 |
| 2026-06-22 | KSMF | KLGB | 17:41 PDT | 18:46 PDT | 1h 04m | AA7EC3 |
| 2026-06-18estimated | KLUF | KSMF | 17:00 MST | 18:32 PDT | 1h 31m | A449A4 |
| 2026-06-15 | KLGB | KPHX | 17:53 PDT | 18:56 MST | 1h 02m | N37545 |
| 2026-05-29partial | KPIE | ? | 20:00 EDT | A2454F | ||
| 2026-05-28 | KDTW | ? | 18:12 EDT | 23:58Z | 1h 45m | A2454F |
| 2026-05-25 | KLAX | KDTW | 20:52 PDT | 03:56 EDT | 4h 03m | N57857 |
| 2026-05-19 | KCLE | KSNA | 00:49 EDT | 22:56 PDT | 1h 06m | N57863 |
| 2026-05-10 | CYYZ | KCLE | 18:07 EDT | 18:56 EDT | 0h 48m | N37537 |
| 2026-04-30estimated | KSMF | ? | 17:29 PDT | 03:04Z | 2h 34m | A0B88C |
| 2026-04-29estimated | KORD | ? | 17:42 CDT | 23:56Z | 1h 13m | A0B88C |
| 2026-04-23estimated | ? | KSEA | 00:18Z | 19:50 PDT | 2h 31m | A0B866 |
| 2026-04-17 | KBFI | KLAX | 17:00 PDT | 22:40 PDT | 5h 39m | N75854 |
| 2026-04-12 | KCVG | KLGA | 18:54 EDT | 20:22 EDT | 1h 27m | A0B88A |
| 2026-04-01 | KORD | KLGB | 18:21 CDT | 20:24 PDT | 4h 03m | A3D326 |
| 2026-03-30estimated | ? | KMDW | 00:00Z | 20:30 CDT | 1h 30m | N37538 |
| 2026-03-29estimated | KIAH | KDAL | 18:31 CDT | 18:58 CDT | 0h 26m | N37538 |
| 2025-10-14partial | KORD | ? | 11:20 CDT | N77525 | ||
| 2025-09-22 | ? | KLGB | 00:00Z | 19:03 PDT | 2h 02m | A0B846 |
| 2025-09-19 | KMKE | ? | 23:07 CDT | 05:15Z | 1h 08m | A2450B |
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]