Flight
ASA637 20 Dec 2025
ASA637, operated by Alaska Airlines, on 20 Dec 2025: Phoenix Sky Harbor International (KPHX) to Seattle Tacoma International (KSEA). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KPHX PHOENIX SKY HARBOR INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 11:21 MST |
| Last seen | 13:38 PST |
| Duration | 3h 16m |
| Aircraft | N253AK |
| Max altitude | 36,000 ft |
| Distance tracked | 962 nm |
Punctuality, last 30 days
| Flights | 6 |
| On time | 3 (50%) |
| Average delay | +26 min |
| Worst delay | +49 min |
In the last 30 days ASA637 departed on time (within 15 minutes) on 3 of 6 flights (50%), with an average departure delay of +26 min and a worst delay of +49 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.