AS638 · ASA638

ASA638 over the last 30 days

As of 2026-10-27

ASA638 is operated by Alaska Airlines on the route Dallas Fort Worth International Airport (DFW/KDFW) → Portland International Airport (PDX/KPDX). It usually takes off around 19:47 UTC (14:47 local time, DFW). It usually lands around 23:23 UTC (16:23 local time, PDX). Most frequent aircraft type: BOEING 737-900 (B739).

Days with an observed flight (last 30 days)

19/30

Days of the week with an observed flight

Mon, Tue, Wed, Thu, Fri

Typical take-off

19:47 UTC · 14:47 local time (DFW)

Typical landing

23:23 UTC · 16:23 local time (PDX)

Median departure deviation from the usual time on this route

+6 min

Departures within 15 minutes of the usual time

60 %

Departures measured

15

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 737-900 (B739) — Number of flights: 15
• BOEING 737-800 (B738) — Number of flights: 11
• BOEING 737 MAX 9 (B39M) — Number of flights: 7

Aircraft in the last 7 days

• N423AS · BOEING 737-900 2026-10-27
• N467AS · BOEING 737-900 2026-10-26
• N513AS · BOEING 737-800 2026-10-24
• N442AS · BOEING 737-900 2026-10-23

Related flights on this route

• All flights KDFW – KPDX