AS459 · ASA459

ASA459 over the last 30 days

As of 2026-10-27

ASA459 is operated by Alaska Airlines on the route Boston Logan International Airport (BOS/KBOS) → Seattle–Tacoma International Airport (SEA/KSEA). It usually takes off around 11:28 UTC (07:28 local time, BOS). It usually lands around 17:14 UTC (10:14 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

11:28 UTC · 07:28 local time (BOS)

Typical landing

17:14 UTC · 10:14 local time (SEA)

Median departure deviation from the usual time on this route

+2 min

Departures within 15 minutes of the usual time

80 %

Departures measured

25

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: 32
• BOEING 737 MAX 9 (B39M) — Number of flights: 21
• BOEING 737-800 (B738) — Number of flights: 4

Aircraft in the last 7 days

• N710AL · BOEING 737 MAX 9 2026-10-27
• N479AS · BOEING 737-900 2026-10-26
• N979AK · BOEING 737 MAX 9 2026-10-25
• N933AK · BOEING 737 MAX 9 2026-10-24
• N495AS · BOEING 737-900 2026-10-23
• N481AS · BOEING 737-900 2026-10-22

Related flights on this route

• All flights KBOS – KSEA