Flight
UAL1253 29 Sep 2026
UAL1253, operated by United Airlines, on 29 Sep 2026: Denver International (KDEN) to Seattle Tacoma International (KSEA). Scheduled and actual times are local to each airport (hover for UTC).
Flight
FAA SWIM schedule| Route | KDEN DENVER INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL |
| Status | Completed, departed on time (+9 min) |
| Scheduled departure | 09:47 MDT |
| Actual departure | 09:56 MDT on time |
| Actual arrival | 11:24 PDT |
| Duration | 2h 28m |
| Aircraft | N27273 B38M |
| Max altitude | 36,000 ft |
| Distance tracked | 888 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 4 (57%) |
| Average delay | +14 min |
| Worst delay | +16 min |
In the last 30 days UAL1253 departed on time (within 15 minutes) on 4 of 7 flights (57%), with an average departure delay of +14 min and a worst delay of +16 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.