ASA421
- Flight number
- ASA421
- Airline
- Alaska Airlines (ASA)
- Route
- Seattle–Tacoma International Airport (SEA/KSEA) → Los Cabos International Airport (SJD/MMSD) At least one end of this route is not from our own observation.
- Observed take-off
- Last heard
- Aircraft
- N278AK · BOEING 737-900
- Positions recorded
- 3049 As of 2026-10-07 21:36 UTC
Source: observations by the map.flights community network of ADS-B receivers; times in UTC.