ASA21

Flight number

ASA21

Airline

Alaska Airlines (ASA)

Route

John F. Kennedy International Airport (JFK/KJFK) → Seattle–Tacoma International Airport (SEA/KSEA)

Observed take-off

2026-10-04 11:48 UTC

Observed landing

2026-10-04 17:26 UTC

Aircraft

N291BT · BOEING 737 MAX 9

Positions recorded

10437

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