Flight
UAL1188 23 Sep 2026
UAL1188, operated by United Airlines, on 23 Sep 2026: Tucson International (KTUS) to Denver International (KDEN), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | KTUS TUCSON INTERNATIONAL → KDEN DENVER INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 05:20 MST |
| Last seen | 08:20 MDT |
| Duration | 1h 59m |
| Aircraft | N12218 |
| Max altitude | 34,975 ft |
| Distance tracked | 555 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KDEN DENVER INTERNATIONAL → KTUS TUCSON INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 11:40 MDT |
| Last seen | 12:22 MST |
| Duration | 1h 42m |
| Aircraft | N477UA |
| Max altitude | 34,050 ft |
| Distance tracked | 555 nm |
Punctuality, last 30 days
| Flights | 16 |
| On time | 7 (44%) |
| Average delay | +20 min |
| Worst delay | +87 min |
In the last 30 days UAL1188 departed on time (within 15 minutes) on 7 of 16 flights (44%), with an average departure delay of +20 min and a worst delay of +87 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.