Flight
ASA638 22 Dec 2025
ASA638, operated by Alaska Airlines, on 22 Dec 2025: Seattle Tacoma International (KSEA) to Tucson International (KTUS). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KSEA SEATTLE TACOMA INTERNATIONAL → KTUS TUCSON INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 21:22 PST 21 Dec |
| Last seen | 01:20 MST |
| Duration | 2h 57m |
| Aircraft | N435AS |
| Max altitude | 35,000 ft |
| Distance tracked | 1,056 nm |
Punctuality, last 30 days
| Flights | 5 |
| On time | 1 (20%) |
| Average delay | +27 min |
| Worst delay | +49 min |
In the last 30 days ASA638 departed on time (within 15 minutes) on 1 of 5 flights (20%), with an average departure delay of +27 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.