Flight
UAL8172
Flight history and live tracking for UAL8172, 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 | KIAD WASHINGTON DULLES INTERNATIONAL |
| Typical destination | KSFO SAN FRANCISCO INTERNATIONAL |
| Distance | 2,097 nm |
Last 30 days
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-08-17estimated | ? | KPHX | 02:14Z | 03:54 MST | 8h 40m | N66831 |
| 2026-07-21estimated | ? | KOMA | 21:12Z | 17:08 CDT | 0h 56m | N446UA |
Times are local to each airport. Hover for UTC. Flights marked estimated were completed with route prediction or partial coverage.
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]