Flight

ASA21 17 Jul 2026

ASA21, operated by Alaska Airlines, on 17 Jul 2026: John F Kennedy International (KJFK) to Seattle Tacoma International (KSEA). Scheduled and actual times are local to each airport (hover for UTC).

← 16 Jul 2026All ASA21 flights19 Jul 2026 →

Flightestimated

PlaneTrack receiver network
RouteKJFK JOHN F KENNEDY INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne07:28 EDT
Last seen09:54 PDT
Duration5h 26m
AircraftN237AK
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.