Flight
UAL1521 2 Oct 2026
UAL1521, operated by United Airlines, on 2 Oct 2026: Des Moines International (KDSM) to Denver International (KDEN). Scheduled and actual times are local to each airport (hover for UTC).
Flight
FAA SWIM schedule| Route | KDSM DES MOINES INTERNATIONAL → KDEN DENVER INTERNATIONAL |
| Status | Scheduled |
| Scheduled departure | 09:15 CDT |
Punctuality, last 30 days
| Flights | 7 |
| On time | 2 (29%) |
| Average delay | +21 min |
| Worst delay | +36 min |
In the last 30 days UAL1521 departed on time (within 15 minutes) on 2 of 7 flights (29%), with an average departure delay of +21 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.