Flight
UAL539 28 Apr 2026
UAL539, operated by United Airlines, on 28 Apr 2026, 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3estimated
PlaneTrack receiver network| Route | KLSV NELLIS AFB → ? |
| Status | Completed (receiver network) |
| First seen airborne | 17:00 PDT 27 Apr |
| Last seen | 14:28Z |
| Duration | 14h 27m |
| Aircraft | N69888 |
| Max altitude | 34,000 ft |
Leg 2 of 3estimated
PlaneTrack receiver network| Route | KORD CHICAGO OHARE INTERNATIONAL → KIAH GEORGE BUSH INTCNTL HOUSTON |
| Status | Completed (receiver network) |
| First seen airborne | 12:08 CDT |
| Last seen | 12:58 CDT |
| Duration | 0h 50m |
| Aircraft | N883UA |
| Max altitude | 19,000 ft |
| Distance tracked | 805 nm |
Leg 3 of 3
PlaneTrack receiver network| Route | KIAH GEORGE BUSH INTCNTL HOUSTON → ? |
| Status | Completed (receiver network) |
| First seen airborne | 17:06 CDT |
| Last seen | 23:58Z |
| Duration | 1h 52m |
| Aircraft | N37466 |
| Max altitude | 30,000 ft |
Punctuality, last 30 days
| Flights | 9 |
| On time | 1 (11%) |
| Average delay | +63 min |
| Worst delay | +374 min |
In the last 30 days UAL539 departed on time (within 15 minutes) on 1 of 9 flights (11%), with an average departure delay of +63 min and a worst delay of +374 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.