AS1340 · ASA1340

ASA1340 over the last 30 days

As of 2026-10-27

ASA1340 is operated by Alaska Airlines on the route San Francisco International Airport (SFO/KSFO) → Seattle–Tacoma International Airport (SEA/KSEA). It usually takes off around 01:05 UTC (18:05 local time, SFO). It usually lands around 02:49 UTC (19:49 local time, SEA). Most frequent aircraft type: BOEING 737-900 (B739).

Days with an observed flight (last 30 days)

30/30

Days of the week with an observed flight

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

Typical take-off

01:05 UTC · 18:05 local time (SFO)

Typical landing

02:49 UTC · 19:49 local time (SEA)

Typical time airborne

100 min

Median departure deviation from the usual time on this route

+6 min

Departures within 15 minutes of the usual time

61 %

Departures measured

173

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: 16
• BOEING 737 MAX 9 (B39M) — Number of flights: 15
• BOEING 737-800 (B738) — Number of flights: 12

Aircraft in the last 7 days

• N938AK · BOEING 737 MAX 9 2026-10-27
• N448AS · BOEING 737-900 2026-10-26
• N805AK · BOEING 737 MAX 8 2026-10-25
• N716AL · BOEING 737 MAX 9 2026-10-24
• N493AS · BOEING 737-900 2026-10-23
• N979AK · BOEING 737 MAX 9 2026-10-22

Related flights on this route

• All flights KSFO – KSEA