AS646 · ASA646

ASA646 over the last 30 days

As of 2026-10-27

ASA646 is operated by Alaska Airlines on the route Dallas Fort Worth International Airport (DFW/KDFW) → Seattle–Tacoma International Airport (SEA/KSEA). It usually lands around 03:57 UTC (20:57 local time, SEA). Most frequent aircraft type: BOEING 737 MAX 9 (B39M).

Days with an observed flight (last 30 days)

20/30

Days of the week with an observed flight

Mon, Thu, Fri, Sun

Typical landing

03:57 UTC · 20:57 local time (SEA)

Median departure deviation from the usual time on this route

+2 min

Departures within 15 minutes of the usual time

78 %

Departures measured

77

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 MAX 9 (B39M) — Number of flights: 20
• BOEING 737-900 (B739) — Number of flights: 13
• BOEING 737 MAX 8 (B38M) — Number of flights: 1

Aircraft in the last 7 days

• N290AK · BOEING 737-900 2026-10-27
• N285AK · BOEING 737-900 2026-10-26
• N913AK · BOEING 737 MAX 9 2026-10-24
• N990AK · BOEING 737 MAX 9 2026-10-23

Related flights on this route

• All flights KDFW – KSEA