AS543 · ASA543

ASA543 over the last 30 days

As of 2026-10-28

ASA543 is operated by Alaska Airlines on the route Dallas Fort Worth International Airport (DFW/KDFW) → Seattle–Tacoma International Airport (SEA/KSEA). It usually takes off around 11:18 UTC (06:18 local time, DFW). It usually lands around 14:56 UTC (07:56 local time, SEA). Most frequent aircraft type: BOEING 737-900 (B739).

Days with an observed flight (last 30 days)

28/30

Days of the week with an observed flight

Mon, Tue, Wed, Thu, Fri, Sat, Sun

Typical take-off

11:18 UTC · 06:18 local time (DFW)

Typical landing

14:56 UTC · 07:56 local time (SEA)

Typical time airborne

216 min

Median departure deviation from the usual time on this route

+1 min

Departures within 15 minutes of the usual time

79 %

Departures measured

71

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: 24
• BOEING 737 MAX 9 (B39M) — Number of flights: 14
• BOEING 737-800 (B738) — Number of flights: 1

Aircraft in the last 7 days

• N713AL · BOEING 737 MAX 9 2026-10-28
• N277AK · BOEING 737-900 2026-10-27
• N731AL · BOEING 737 MAX 9 2026-10-26
• N459AS · BOEING 737-900 2026-10-25
• N588AS · BOEING 737-800 2026-10-24
• N952AK · BOEING 737 MAX 9 2026-10-23

Related flights on this route

• All flights KDFW – KSEA