Flight
UAL3866
Flight history and live tracking for UAL3866, 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 | KPDX → KDEN |
Flight history 21 flights since Aug 2025
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-10-03 | KPDX PORTLAND INTERNATIONAL | KDEN DENVER INTERNATIONAL | 16:38 PDT | 19:45 MDT | 2h 07m | N883UA |
| 2026-09-14partial | KIAD | ? | 17:52 EDT | N654UA | ||
| 2026-09-08partial | KIAH | ? | 15:22 CDT | N801UA |
Earlier flights (18) - back to 2025-08-21
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-08-29partial | KORD | ? | 08:36 CDT | N839UA | ||
| 2026-08-20partial | KIAD | ? | 20:48 EDT | N17126 | ||
| 2026-08-17partial | KIAD | ? | 12:35 EDT | N651UA | ||
| 2026-07-02partial | KORD | ? | 10:15 CDT | A6EDE5 | ||
| 2026-06-26partial | KORD | ? | 19:20 CDT | N12005 | ||
| 2026-06-21partial | KORD | ? | 11:05 CDT | N12005 | ||
| 2026-06-13estimated | KCLT | KEWR | 10:42 EDT | 11:06 EDT | 0h 23m | N27252 |
| 2026-05-25partial | KORD | ? | 12:06 CDT | N15751 | ||
| 2026-05-21partial | KSFO | ? | 23:33 PDT | N211UA | ||
| 2026-03-05partial | KSFO | ? | 12:39 PST | N229UA | ||
| 2026-02-21partial | KEWR | ? | 22:48 EST | N648UA | ||
| 2026-02-01partial | KORD | ? | 09:01 CST | N898UA | ||
| 2026-01-20 | KLAX | KSFO | 16:37 PST | 18:04 PST | 1h 26m | N773UA |
| 2026-01-09partial | KEWR | ? | 09:39 EST | N684UA | ||
| 2025-12-17partial | KDEN | ? | 07:19 MST | N872UA | ||
| 2025-11-26 | ? | KIAH | 12:07Z | 10:10 CST | 4h 02m | N76515 |
| 2025-10-13partial | KORD | ? | 10:37 CDT | N77525 | ||
| 2025-08-21partial | KIAD | ? | 11:00 EDT | N655UA |
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]