Flight
UAL1204 2 Feb 2026
UAL1204, operated by United Airlines, on 2 Feb 2026: Denver International (KDEN) to Tucson International (KTUS). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KDEN DENVER INTERNATIONAL → KTUS TUCSON INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 13:32 MST |
| Last seen | 15:22 MST |
| Duration | 1h 49m |
| Aircraft | N855UA |
| Max altitude | 36,000 ft |
| Distance tracked | 555 nm |
Punctuality, last 30 days
| Flights | 6 |
| On time | 3 (50%) |
| Average delay | +50 min |
| Worst delay | +151 min |
In the last 30 days UAL1204 departed on time (within 15 minutes) on 3 of 6 flights (50%), with an average departure delay of +50 min and a worst delay of +151 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.