AS644 · ASA644

ASA644 over the last 30 days

As of 2026-10-27

ASA644 is operated by Alaska Airlines on the route Seattle–Tacoma International Airport (SEA/KSEA) → Phoenix Sky Harbor International Airport (PHX/KPHX). It usually takes off around 04:25 UTC (21:25 local time, SEA). It usually lands around 06:47 UTC (23:47 local time, PHX). Most frequent aircraft type: BOEING 737-800 (B738).

Days with an observed flight (last 30 days)

17/30

Days of the week with an observed flight

Mon, Thu, Fri, Sun

Typical take-off

04:25 UTC · 21:25 local time (SEA)

Typical landing

06:47 UTC · 23:47 local time (PHX)

Typical time airborne

143 min

Median departure deviation from the usual time on this route

+3 min

Departures within 15 minutes of the usual time

76 %

Departures measured

143

Our measurement against the usual departure time of the route, from our own observations over the last 28 days; the figures cover all flights of this airline on the route.

Aircraft types on this flight (last 30 days)

• BOEING 737-800 (B738) — Number of flights: 11
• BOEING 737-900 (B739) — Number of flights: 11
• BOEING 737 MAX 9 (B39M) — Number of flights: 7

Aircraft in the last 7 days

• N519AS · BOEING 737-800 2026-10-27
• N954AK · BOEING 737 MAX 9 2026-10-26
• N845AK · BOEING 737 MAX 8 2026-10-24
• N552AS · BOEING 737-800 2026-10-23

Related flights on this route

• All flights KSEA – KPHX