ASA504
- Airline
- Alaska Airlines (ASA)
- Route
- Seattle–Tacoma International Airport (SEA/KSEA) → Charles M. Schulz Sonoma County Airport (STS/KSTS) At least one end of this route is not from our own observation.
- Observed take-off
- Last heard
- Aircraft
- N534AS · BOEING 737-800
- Positions recorded
- 2224 As of 2026-10-10 04:33 UTC
Source: observations by the map.flights community network of ADS-B receivers; times in UTC.