Flight

ASA21 16 Jun 2026

ASA21, operated by Alaska Airlines, on 16 Jun 2026: John F Kennedy International (KJFK) to Seattle Tacoma International (KSEA), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 15 Jun 2026All ASA21 flights17 Jun 2026 →

Leg 1 of 2estimated

PlaneTrack receiver network
RouteKJFK JOHN F KENNEDY INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne07:26 EDT
Last seen05:22 PDT
Duration0h 55m
AircraftA9873D
Max altitude34,000 ft
Distance tracked2,098 nm

Leg 2 of 2estimated

PlaneTrack receiver network
RouteKJFK JOHN F KENNEDY INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne10:35 EDT
Last seen10:04 PDT
Duration2h 28m
AircraftA9873D
Max altitude36,000 ft
Distance tracked2,098 nm

Punctuality, last 30 days

Flights8
On time1 (12%)
Average delay+23 min
Worst delay+36 min

In the last 30 days ASA21 departed on time (within 15 minutes) on 1 of 8 flights (12%), 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.