Flight

ASA21 1 Sep 2026

ASA21, operated by Alaska Airlines, on 1 Sep 2026: John F Kennedy International (KJFK) to Boeing Fld King Co International (KBFI). Scheduled and actual times are local to each airport (hover for UTC).

← 31 Aug 2026All ASA21 flights2 Sep 2026 →

Flight

PlaneTrack receiver network
RouteKJFK JOHN F KENNEDY INTERNATIONAL → KBFI BOEING FLD KING CO INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne07:43 EDT
Last seen10:16 PDT
Duration5h 32m
AircraftN491AS
Max altitude38,000 ft
Distance tracked2,097 nm

Punctuality, last 30 days

Flights9
On time1 (11%)
Average delay+23 min
Worst delay+36 min

In the last 30 days ASA21 departed on time (within 15 minutes) on 1 of 9 flights (11%), with an average departure delay of +23 min and a worst delay of +36 min.

ASA21 flight history Full history CSV API access

Schedule, departure and arrival times from the FAA SWIM feed; aircraft, altitude and distance from the PlaneTrack receiver network. On time means a departure within 15 minutes of schedule.