Flight

ASA21 13 Mar 2026

ASA21, operated by Alaska Airlines, on 13 Mar 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).

← 12 Mar 2026All ASA21 flights14 Mar 2026 →

Leg 1 of 2estimated

PlaneTrack receiver network
RouteKJFK JOHN F KENNEDY INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne07:31 EDT
Last seen11:22 PDT
Duration6h 50m
AircraftAC5F5F
Max altitude36,000 ft
Distance tracked2,098 nm

Leg 2 of 2partial

PlaneTrack receiver network
RouteKSEA SEATTLE TACOMA INTERNATIONAL → ?
StatusPartial record (receiver network)
First seen airborne11:49 PDT
AircraftAC5F5F
Max altitude275 ft

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.