Flight
ASA521 18 Sep 2026
ASA521, operated by Alaska Airlines, on 18 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).
Flightestimated
PlaneTrack receiver network| Route | KSEA SEATTLE TACOMA INTERNATIONAL → KSJC NORMAN Y MINETA SAN JOSE INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 17:00 PDT 17 Sep |
| Last seen | 18:30 PDT 17 Sep |
| Duration | 1h 29m |
| Aircraft | A98386 |
| Max altitude | 35,000 ft |
| Distance tracked | 605 nm |
Punctuality, last 30 days
| Flights | 8 |
| On time | 3 (38%) |
| Average delay | -161 min |
| Worst delay | +28 min |
In the last 30 days ASA521 departed on time (within 15 minutes) on 3 of 8 flights (38%), with an average departure delay of -161 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.