Flight
UAL3857
Flight history and live tracking for UAL3857, 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 | KGRR → KDEN |
Flight history 10 flights since Feb 2026
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-08-19 | LPPR | ? | 16:29 WEST | 22:58Z | 7h 28m | N34131 |
Earlier flights (9) - back to 2026-02-19
| Date | From | To | Dep | Arr | Duration | Aircraft |
|---|---|---|---|---|---|---|
| 2026-07-17estimated | ? | KIAD | 00:00Z | 21:06 EDT | 1h 05m | N12225 |
| 2026-07-16estimated | ? | ? | 20:43Z | 23:58Z | 3h 14m | N12225 |
| 2026-07-01partial | KSFO | ? | 17:09 PDT | N39415 | ||
| 2026-06-30estimated | KORD | ? | 16:47 CDT | 23:42Z | 1h 54m | N39415 |
| 2026-06-19estimated | KGRR | KDEN | 20:00 EDT | 20:30 MDT | 2h 30m | N87513 |
| 2026-05-28 | CYHZ | KEWR | 13:48 ADT | 14:32 EDT | 1h 43m | N652UA |
| 2026-05-01 | KDFW | KCLE | 08:49 CDT | 11:48 EDT | 1h 59m | N75429 |
| 2026-04-24 | KMSN | KORD | 14:37 CDT | 15:08 CDT | 0h 30m | N438UA |
| 2026-02-19 | KPSP | KSKY | 22:48 PST | 04:53 EST | 3h 05m | A3EFA2 |
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 UAL3857 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 own receiver network archive. Questions: [email protected]