Flight
ASA304 25 Sep 2026
ASA304, operated by Alaska Airlines, on 25 Sep 2026: Seattle Tacoma International (KSEA) to Denver International (KDEN), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
FAA SWIM schedule| Route | KSEA SEATTLE TACOMA INTERNATIONAL → KDEN DENVER INTERNATIONAL |
| Status | Completed (arrival not recorded), departure delayed +53 min |
| Scheduled departure | 12:48 PDT |
| Actual departure | 13:41 PDT delayed +53 min |
| Estimated arrival | 16:52 MDT |
| Aircraft | N519AS B738 |
| Max altitude | 35,025 ft |
Leg 2 of 2
FAA SWIM schedule| Route | KSEA SEATTLE TACOMA INTERNATIONAL → KSLC SALT LAKE CITY INTERNATIONAL |
| Status | Completed, departure delayed +53 min |
| Scheduled departure | 12:48 PDT |
| Actual departure | 13:41 PDT delayed +53 min |
| Actual arrival | 17:48 MDT |
| Duration | 3h 07m |
| Aircraft | N519AS B738 |
Punctuality, last 30 days
| Flights | 9 |
| On time | 1 (11%) |
| Average delay | +36 min |
| Worst delay | +57 min |
In the last 30 days ASA304 departed on time (within 15 minutes) on 1 of 9 flights (11%), with an average departure delay of +36 min and a worst delay of +57 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.