Flight
UAL539 28 May 2026
UAL539, operated by United Airlines, on 28 May 2026, 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | KORD CHICAGO OHARE INTERNATIONAL → ? |
| Status | Completed (receiver network) |
| First seen airborne | 05:45 CDT |
| Last seen | 15:12Z |
| Duration | 4h 26m |
| Aircraft | N24211 |
| Max altitude | 38,025 ft |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KORD CHICAGO OHARE INTERNATIONAL → KIAH GEORGE BUSH INTCNTL HOUSTON |
| Status | Completed (receiver network) |
| First seen airborne | 11:59 CDT |
| Last seen | 12:58 CDT |
| Duration | 0h 59m |
| Aircraft | N76523 |
| Max altitude | 25,000 ft |
| Distance tracked | 805 nm |
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.