AS657 · ASA657

ASA657 over the last 30 days

As of 2026-10-30

ASA657 is operated by Alaska Airlines on the route Seattle–Tacoma International Airport (SEA/KSEA) → Mineta San Jose International Airport (SJC/KSJC). It usually takes off around 23:09 UTC (16:09 local time, SEA). It usually lands around 00:52 UTC (17:52 local time, SJC). Most frequent aircraft type: BOEING 737-900 (B739).

Days with an observed flight (last 30 days)

22/30

Days of the week with an observed flight

Mon, Tue, Wed, Thu, Fri, Sun

Typical take-off

23:09 UTC · 16:09 local time (SEA)

Typical landing

00:52 UTC · 17:52 local time (SJC)

Typical time airborne

102 min

Median departure deviation from the usual time on this route

+3 min

Departures within 15 minutes of the usual time

77 %

Departures measured

128

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: 11
• BOEING 737 MAX 9 (B39M) — Number of flights: 7
• BOEING 737-800 (B738) — Number of flights: 6

Aircraft in the last 7 days

• N224AK · BOEING 737-900 2026-10-30
• N738AL · BOEING 737 MAX 9 2026-10-29
• N938AK · BOEING 737 MAX 9 2026-10-28
• N597AS · BOEING 737-800 2026-10-27
• N984AK · BOEING 737 MAX 9 2026-10-26
• N912AK · BOEING 737 MAX 9 2026-10-25

Related flights on this route

• All flights KSEA – KSJC