Flight
ASA21 24 Dec 2025
ASA21, operated by Alaska Airlines, on 24 Dec 2025: John F Kennedy International (KJFK) to Seattle Tacoma International (KSEA), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KJFK JOHN F KENNEDY INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 07:23 EST |
| Last seen | 10:52 PST |
| Duration | 6h 28m |
| Aircraft | N933AK |
| Max altitude | 30,000 ft |
| Distance tracked | 2,098 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KJFK JOHN F KENNEDY INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 16:05 EST |
| Last seen | 13:44 PST |
| Duration | 0h 39m |
| Aircraft | N933AK |
| Distance tracked | 2,098 nm |
Punctuality, last 30 days
| Flights | 9 |
| On time | 1 (11%) |
| Average delay | +23 min |
| Worst delay | +36 min |
In the last 30 days ASA21 departed on time (within 15 minutes) on 1 of 9 flights (11%), with an average departure delay of +23 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.