Flight
UAL1439 7 Sep 2026
UAL1439, operated by United Airlines, on 7 Sep 2026: La Guardia (KLGA) to George Bush Intcntl Houston (KIAH), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | KLGA LA GUARDIA → KIAH GEORGE BUSH INTCNTL HOUSTON |
| Status | Completed (receiver network) |
| First seen airborne | 13:52 EDT |
| Last seen | 14:42 CDT |
| Duration | 1h 49m |
| Aircraft | A12755 |
| Max altitude | 36,000 ft |
| Distance tracked | 1,229 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KIAH GEORGE BUSH INTCNTL HOUSTON → KDFW DALLAS FORT WORTH INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 16:41 CDT |
| Last seen | 17:28 CDT |
| Duration | 0h 46m |
| Aircraft | N818UA |
| Max altitude | 26,000 ft |
| Distance tracked | 195 nm |
Punctuality, last 30 days
| Flights | 9 |
| On time | 5 (56%) |
| Average delay | +30 min |
| Worst delay | +172 min |
In the last 30 days UAL1439 departed on time (within 15 minutes) on 5 of 9 flights (56%), with an average departure delay of +30 min and a worst delay of +172 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.