Flight
UAL539 20 May 2026
UAL539, operated by United Airlines, on 20 May 2026. Scheduled and actual times are local to each airport (hover for UTC).
Flightpartial
PlaneTrack receiver network| Route | KORD CHICAGO OHARE INTERNATIONAL → ? |
| Status | Partial record (receiver network) |
| First seen airborne | 19:34 CDT 19 May |
| Aircraft | A5CF19 |
| Max altitude | 36,000 ft |
| Distance tracked | 805 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 1 (14%) |
| Average delay | +76 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 +76 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.