Flight
UAL1877 21 Sep 2026
UAL1877, operated by United Airlines, on 21 Sep 2026: Buckley Afb (KBKF) to Denver International (KDEN), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | KBKF BUCKLEY AFB → KDEN DENVER INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 07:54 MDT |
| Last seen | 08:34 MDT |
| Duration | 0h 39m |
| Aircraft | N27263 |
| Max altitude | 25,000 ft |
| Distance tracked | 10 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KDEN DENVER INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 10:14 MDT |
| Last seen | 13:34 PDT |
| Duration | 4h 19m |
| Aircraft | N57286 |
| Max altitude | 36,000 ft |
| Distance tracked | 888 nm |
Punctuality, last 30 days
| Flights | 8 |
| On time | 5 (62%) |
| Average delay | +21 min |
| Worst delay | +67 min |
In the last 30 days UAL1877 departed on time (within 15 minutes) on 5 of 8 flights (62%), with an average departure delay of +21 min and a worst delay of +67 min.
Schedule, departure and arrival times from the FAA SWIM feed; aircraft, altitude and distance from the PlaneTrack receiver network. On time means a departure within 15 minutes of schedule.