Flight
UAL1188 12 Dec 2025
UAL1188, operated by United Airlines, on 12 Dec 2025: Tucson International (KTUS) to Denver International (KDEN). Scheduled and actual times are local to each airport (hover for UTC).
Flightestimated
PlaneTrack receiver network| Route | KTUS TUCSON INTERNATIONAL → KDEN DENVER INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 06:05 MST |
| Last seen | 08:02 MST |
| Duration | 1h 56m |
| Aircraft | N78509 |
| Max altitude | 39,000 ft |
| Distance tracked | 555 nm |
Punctuality, last 30 days
| Flights | 14 |
| On time | 9 (64%) |
| Average delay | +13 min |
| Worst delay | +28 min |
In the last 30 days UAL1188 departed on time (within 15 minutes) on 9 of 14 flights (64%), with an average departure delay of +13 min and a worst delay of +28 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.