Flight
ASA639 21 Sep 2026
ASA639, operated by Alaska Airlines, on 21 Sep 2026: Seattle Tacoma International (KSEA) to Tampa International (KTPA). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KSEA SEATTLE TACOMA INTERNATIONAL → KTPA TAMPA INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 22:02 PDT 20 Sep |
| Last seen | 06:28 EDT |
| Duration | 5h 25m |
| Aircraft | N435AS |
| Max altitude | 35,000 ft |
| Distance tracked | 2,187 nm |
Punctuality, last 30 days
| Flights | 2 |
| On time | 0 (0%) |
| Average delay | +48 min |
| Worst delay | +62 min |
In the last 30 days ASA639 departed on time (within 15 minutes) on 0 of 2 flights (0%), with an average departure delay of +48 min and a worst delay of +62 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.