ASA503

Flight number

ASA503

Airline

Alaska Airlines (ASA)

Route

Austin Bergstrom International Airport (AUS/KAUS) → Seattle–Tacoma International Airport (SEA/KSEA)

Observed take-off

2026-09-21 21:43 UTC

Observed landing

2026-09-22 01:36 UTC

Aircraft

N483AS · BOEING 737-900

Positions recorded

2331

Source: observations by the map.flights community network of ADS-B receivers; times in UTC.