ASA603

Flight number

ASA603

Airline

Alaska Airlines (ASA)

Route

Phoenix Sky Harbor International Airport (PHX/KPHX) → Seattle–Tacoma International Airport (SEA/KSEA)

Observed take-off

2026-09-23 16:45 UTC

Observed landing

2026-09-23 19:22 UTC

Aircraft

N821AK · BOEING 737 MAX 8

Positions recorded

4260

Source: observations by the map.flights community network of ADS-B receivers; times in UTC.