Flight
UAL557 21 Apr 2026
UAL557, operated by United Airlines, on 21 Apr 2026: Charleston Afb International (KCHS) to Buckley Afb (KBKF). Scheduled and actual times are local to each airport (hover for UTC).
Flightestimated
PlaneTrack receiver network| Route | KCHS CHARLESTON AFB INTERNATIONAL → KBKF BUCKLEY AFB |
| Status | Completed (receiver network) |
| First seen airborne | 16:22 EDT |
| Last seen | 17:58 MDT |
| Duration | 3h 35m |
| Aircraft | N479UA |
| Max altitude | 36,900 ft |
| Distance tracked | 1,258 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 2 (29%) |
| Average delay | +24 min |
| Worst delay | +53 min |
In the last 30 days UAL557 departed on time (within 15 minutes) on 2 of 7 flights (29%), with an average departure delay of +24 min and a worst delay of +53 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.