Flight
ASA521 30 Sep 2026
ASA521, operated by Alaska Airlines, on 30 Sep 2026: Seattle Tacoma International (KSEA) to Norman Y Mineta San Jose International (KSJC). Scheduled and actual times are local to each airport (hover for UTC).
Flight
FAA SWIM schedule| Route | KSEA SEATTLE TACOMA INTERNATIONAL → KSJC NORMAN Y MINETA SAN JOSE INTERNATIONAL |
| Status | Completed, departed on time (-1412 min) |
| Scheduled departure | 16:32 PDT |
| Actual departure | 17:00 PDT 29 Sep on time |
| Actual arrival | 18:33 PDT |
| Duration | 25h 33m |
| Aircraft | N474AS B739 |
| Max altitude | 35,000 ft |
| Distance tracked | 605 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 2 (29%) |
| Average delay | -185 min |
| Worst delay | +28 min |
In the last 30 days ASA521 departed on time (within 15 minutes) on 2 of 7 flights (29%), with an average departure delay of -185 min and a worst delay of +28 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.