Flight

UAL539 22 Jul 2026

UAL539, operated by United Airlines, on 22 Jul 2026: Chicago Ohare International (KORD) to George Bush Intcntl Houston (KIAH), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 21 Jul 2026All UAL539 flights23 Jul 2026 →

Leg 1 of 2estimated

PlaneTrack receiver network
RouteKORD CHICAGO OHARE INTERNATIONAL → KIAH GEORGE BUSH INTCNTL HOUSTON
StatusCompleted (receiver network)
First seen airborne07:39 CDT
Last seen09:38 CDT
Duration1h 59m
AircraftN78501
Max altitude38,025 ft
Distance tracked805 nm

Leg 2 of 2estimated

PlaneTrack receiver network
RouteKORD CHICAGO OHARE INTERNATIONAL → KIAH GEORGE BUSH INTCNTL HOUSTON
StatusCompleted (receiver network)
First seen airborne12:09 CDT
Last seen13:02 CDT
Duration0h 52m
AircraftN77510
Max altitude27,025 ft
Distance tracked805 nm

Punctuality, last 30 days

Flights9
On time1 (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.

UAL539 flight history Full history CSV API access

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.