Flight
UAL1634 21 Dec 2025
UAL1634, operated by United Airlines, on 21 Dec 2025: Dallas Fort Worth International (KDFW) to Chicago Ohare International (KORD), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KDFW DALLAS FORT WORTH INTERNATIONAL → KORD CHICAGO OHARE INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 10:41 CST |
| Last seen | 12:54 CST |
| Duration | 2h 12m |
| Aircraft | N877UA |
| Max altitude | 31,000 ft |
| Distance tracked | 696 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KORD CHICAGO OHARE INTERNATIONAL → KPHL PHILADELPHIA INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 14:32 CST |
| Last seen | 17:16 EST |
| Duration | 1h 43m |
| Aircraft | N38479 |
| Max altitude | 35,000 ft |
| Distance tracked | 587 nm |
Punctuality, last 30 days
| Flights | 13 |
| On time | 6 (46%) |
| Average delay | +35 min |
| Worst delay | +134 min |
In the last 30 days UAL1634 departed on time (within 15 minutes) on 6 of 13 flights (46%), with an average departure delay of +35 min and a worst delay of +134 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.