Flight
UAL637 21 Apr 2026
UAL637, operated by United Airlines, on 21 Apr 2026, 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 00:40Z |
| Last seen | 15:38Z |
| Duration | 14h 58m |
| Aircraft | N37263 |
| Max altitude | 36,000 ft |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KAUS AUSTIN BERGSTROM INTERNATIONAL → KHHR JACK NORTHROP FLD HAWTHORNE MUNI |
| Status | Completed (receiver network) |
| First seen airborne | 13:59 CDT |
| Last seen | 15:12 PDT |
| Duration | 3h 12m |
| Aircraft | N79279 |
| Max altitude | 38,025 ft |
| Distance tracked | 1,073 nm |
Punctuality, last 30 days
| Flights | 16 |
| On time | 11 (69%) |
| Average delay | -70 min |
| Worst delay | +61 min |
In the last 30 days UAL637 departed on time (within 15 minutes) on 11 of 16 flights (69%), with an average departure delay of -70 min and a worst delay of +61 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.