Flight

ASA520 28 Dec 2025

ASA520, operated by Alaska Airlines, on 28 Dec 2025: Seattle Tacoma International (KSEA) to San Antonio International (KSAT). Scheduled and actual times are local to each airport (hover for UTC).

← 27 Dec 2025All ASA520 flights29 Dec 2025 →

Flight

PlaneTrack receiver network
RouteKSEA SEATTLE TACOMA INTERNATIONAL → KSAT SAN ANTONIO INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne22:58 PST 27 Dec
Last seen04:34 CST
Duration3h 35m
AircraftN919AK
Max altitude37,025 ft
Distance tracked1,541 nm

Punctuality, last 30 days

Flights8
On time4 (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.

ASA520 flight history Full history CSV API access

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.