Flight
UAL401 7 Oct 2025
UAL401, operated by United Airlines, on 7 Oct 2025: Lambert St Louis International (KSTL) to Denver International (KDEN), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KSTL LAMBERT ST LOUIS INTERNATIONAL → KDEN DENVER INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 08:56 CDT |
| Last seen | 10:30 MDT |
| Duration | 2h 33m |
| Aircraft | N75429 |
| Max altitude | 34,000 ft |
| Distance tracked | 667 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KDEN DENVER INTERNATIONAL → ? |
| Status | Completed (receiver network) |
| First seen airborne | 11:27 MDT |
| Last seen | 17:58Z |
| Duration | 0h 30m |
| Aircraft | N76514 |
| Max altitude | 26,000 ft |
Punctuality, last 30 days
| Flights | 7 |
| On time | 5 (71%) |
| Average delay | +14 min |
| Worst delay | +36 min |
In the last 30 days UAL401 departed on time (within 15 minutes) on 5 of 7 flights (71%), with an average departure delay of +14 min and a worst delay of +36 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.