Flight

UAL1239 22 Jan 2026

UAL1239, operated by United Airlines, on 22 Jan 2026. Scheduled and actual times are local to each airport (hover for UTC).

← 21 Jan 2026All UAL1239 flights23 Jan 2026 →

Flight

PlaneTrack receiver network
RouteKIAH GEORGE BUSH INTCNTL HOUSTON → ?
StatusCompleted (receiver network)
First seen airborne21:02 CST 21 Jan
Last seen13:44Z
Duration10h 42m
AircraftA0B821
Max altitude36,000 ft

Punctuality, last 30 days

Flights18
On time8 (44%)
Average delay+46 min
Worst delay+173 min

In the last 30 days UAL1239 departed on time (within 15 minutes) on 8 of 18 flights (44%), with an average departure delay of +46 min and a worst delay of +173 min.

UAL1239 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.