ASA603
- Flight number
- ASA603
- Airline
- Alaska Airlines (ASA)
- Route
- Phoenix Sky Harbor International Airport (PHX/KPHX) → Seattle–Tacoma International Airport (SEA/KSEA) At least one end of this route is not from our own observation.
- Observed take-off
- Last heard
- Aircraft
- N293AK · BOEING 737-900
- Positions recorded
- 3779 As of 2026-09-30 19:30 UTC
Source: observations by the map.flights community network of ADS-B receivers; times in UTC.