Flight
ASA309 25 Sep 2026
ASA309, operated by Alaska Airlines, on 25 Sep 2026: Denver International (KDEN) to Seattle Tacoma International (KSEA). Scheduled and actual times are local to each airport (hover for UTC).
Flight
FAA SWIM schedule| Route | KDEN DENVER INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL |
| Status | Completed, departure delayed +254 min |
| Scheduled departure | 17:41 MDT |
| Actual departure | 21:55 MDT delayed +254 min |
| Actual arrival | 23:18 PDT |
| Duration | 2h 23m |
| Aircraft | N519AS B738 |
Punctuality, last 30 days
| Flights | 7 |
| On time | 3 (43%) |
| Average delay | -556 min |
| Worst delay | +254 min |
In the last 30 days ASA309 departed on time (within 15 minutes) on 3 of 7 flights (43%), with an average departure delay of -556 min and a worst delay of +254 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.