Flight
UAL1639 28 Sep 2026
UAL1639, operated by United Airlines, on 28 Sep 2026: Denver International (KDEN) to Lambert St Louis International (KSTL). Scheduled and actual times are local to each airport (hover for UTC).
Flight
FAA SWIM schedule| Route | KDEN DENVER INTERNATIONAL → KSTL LAMBERT ST LOUIS INTERNATIONAL |
| Status | Completed, departure delayed +15 min |
| Scheduled departure | 13:30 MDT |
| Actual departure | 13:45 MDT delayed +15 min |
| Actual arrival | 16:26 CDT |
| Duration | 1h 41m |
| Aircraft | N874UA A319 |
| Max altitude | 27,050 ft |
| Distance tracked | 667 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 4 (57%) |
| Average delay | +14 min |
| Worst delay | +18 min |
In the last 30 days UAL1639 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 +18 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.