Flight

ASA21 12 Dec 2025

ASA21, operated by Alaska Airlines, on 12 Dec 2025: John F Kennedy International (KJFK) to Boeing Fld King Co International (KBFI). Scheduled and actual times are local to each airport (hover for UTC).

← 11 Dec 2025All ASA21 flights13 Dec 2025 →

Flight

PlaneTrack receiver network
RouteKJFK JOHN F KENNEDY INTERNATIONAL → KBFI BOEING FLD KING CO INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne07:22 EST
Last seen11:06 PST
Duration6h 44m
AircraftN975AK
Max altitude34,000 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.