Flight
UAL644K
Flight history and live tracking for UAL644K, 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 |
| Typical origin | KDEN DENVER INTERNATIONAL |
| Typical destination | KPDX PORTLAND INTERNATIONAL |
| Distance | 860 nm |
Flight history 2 flights since Dec 2025
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-09-15 | ? | KPDX | 17:52Z | 13:12 PDT | 2h 19m | A0B7DE |
Earlier flights (1) - back to 2025-12-19
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2025-12-19 | KDEN | KPDX | 12:54 MST | 14:42 PST | 2h 47m | N66841 |
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]