Flight
ASA520 19 Dec 2025
ASA520, operated by Alaska Airlines, on 19 Dec 2025: Seattle Tacoma International (KSEA) to San Antonio International (KSAT). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KSEA SEATTLE TACOMA INTERNATIONAL → KSAT SAN ANTONIO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 23:16 PST 18 Dec |
| Last seen | 08:40 CST |
| Duration | 7h 24m |
| Aircraft | N973AK |
| Max altitude | 35,050 ft |
| Distance tracked | 1,541 nm |
Punctuality, last 30 days
| Flights | 8 |
| On time | 4 (50%) |
| Average delay | -135 min |
| Worst delay | +109 min |
In the last 30 days ASA520 departed on time (within 15 minutes) on 4 of 8 flights (50%), with an average departure delay of -135 min and a worst delay of +109 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.