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

2026-10-03 19:43 UTC

Last heard

2026-10-03 22:03 UTC

Aircraft

N725AL · BOEING 737 MAX 9

Positions recorded

4837 As of 2026-10-03 22:03 UTC

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