Flight
UAL539 21 Apr 2026
UAL539, operated by United Airlines, on 21 Apr 2026, 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3estimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 00:00Z |
| Last seen | 14:36Z |
| Duration | 14h 35m |
| Aircraft | N69839 |
| Max altitude | 36,000 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 | 11:56 CDT |
| Last seen | 12:44 CDT |
| Duration | 0h 47m |
| Aircraft | N838UA |
| Max altitude | 29,050 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 | 17:11 CDT |
| Last seen | 23:58Z |
| Duration | 1h 46m |
| Aircraft | N38451 |
| Max altitude | 34,000 ft |
Punctuality, last 30 days
| Flights | 7 |
| On time | 1 (14%) |
| Average delay | +74 min |
| Worst delay | +374 min |
In the last 30 days UAL539 departed on time (within 15 minutes) on 1 of 7 flights (14%), with an average departure delay of +74 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.