ASA660

For travellers

Arrival · Seattle (SEA)

Gate D3

Scheduled 17:00 · Estimated 17:11 · +11 min

Board status: Landed

Landed 18:06 (ADS-B)

Board data from sea, updated 96 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

Missoula International Airport (MSO) — Missoula, United States

Departed

2026-10-02 22:46 UTC

Arrival

Seattle Tacoma International Airport (SEA) — Seattle, United States

Scheduled arrival

2026-10-03 00:00 UTC

Estimated arrival

2026-10-03 00:11 UTC

Also flies as

AS660

Distance flown

701 km

Straight-line distance

624 km

Approach distance

84 km

Aircraft

Registration

N431AS

Type

Boeing 737-900

Seats

181 total (16 Business, 165 Economy)

CO2 (EMEP est., total)

15.9 t (84 kg/pax Economy, 137 kg/pax Business)

Altitude & speed

Max altitude

36,025 ft

Max ground speed

381 kt

Tracked

2h 21m · 699 km

Altitude (ft, max 36,025)

Ground speed (kt, max 381)

Altitude (ft, max 36,025)

Ground speed (kt, max 381)

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

Alaska Airlines (ASA)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-02 22:46 UTC	ASA660	MSO → SEA Missoula → Seattle	N431AS	Boeing 737-900	Completed	701 km
2026-10-02 19:43 UTC	ASA660	SEA → MSO Seattle → Missoula	N431AS	Boeing 737-900	Completed	743 km
2026-10-01 22:30 UTC	ASA660	MSO → SEA Missoula → Seattle	N298AK	Boeing 737-900	Completed	742 km
2026-10-01 20:01 UTC	ASA660	SEA → MSO Seattle → Missoula	N298AK	Boeing 737-900	Completed	747 km
2026-09-30 22:28 UTC	ASA660	MSO → SEA Missoula → Seattle	N968AK	Boeing 737 MAX 9	Completed	816 km
2026-09-30 19:49 UTC	ASA660	SEA → MSO Seattle → Missoula	N968AK	Boeing 737 MAX 9	Completed	746 km
2026-09-29 22:57 UTC	ASA660	MSO → SEA Missoula → Seattle	N596AS	Boeing 737-800	Completed	669 km
2026-09-29 20:12 UTC	ASA660	SEA → MSO Seattle → Missoula	N596AS	Boeing 737-800	Completed	817 km
2026-09-28 22:53 UTC	ASA660	? → SEA ? → Seattle	N471AS	Boeing 737-900	Completed	614 km
2026-09-28 19:50 UTC	ASA660	SEA → MSO Seattle → Missoula	N471AS	Boeing 737-900	Completed (landing presumed)	734 km
2026-09-27 22:38 UTC	ASA660	MSO → SEA Missoula → Seattle	N985AK	Boeing 737 MAX 9	Completed	793 km
2026-09-27 19:45 UTC	ASA660	SEA → MSO Seattle → Missoula	N985AK	Boeing 737 MAX 9	Completed	747 km
2026-09-26 22:23 UTC	ASA660	SEA → SEA Seattle → Seattle	N713AL	Boeing 737 MAX 9	Completed	764 km
2026-09-26 19:44 UTC	ASA660	SEA → MSO Seattle → Missoula	N713AL	Boeing 737 MAX 9	Completed	756 km
2026-09-26 00:21 UTC	ASA660	MSO → SEA Missoula → Seattle	N462AS	Boeing 737-900	Completed	679 km
2026-09-25 21:57 UTC	ASA660	SEA → MSO Seattle → Missoula	N462AS	Boeing 737-900	Completed	746 km
2026-09-24 22:58 UTC	ASA660	MSO → SEA Missoula → Seattle	N277AK	Boeing 737-900	Completed	790 km
2026-09-24 19:50 UTC	ASA660	SEA → MSO Seattle → Missoula	N277AK	Boeing 737-900	Completed	662 km
2026-09-23 22:56 UTC	ASA660	SEA → SEA Seattle → Seattle	N716AL	Boeing 737 MAX 9	Completed	623 km
2026-09-23 19:52 UTC	ASA660	SEA → MSO Seattle → Missoula	N716AL	Boeing 737 MAX 9	Completed	771 km
2026-09-22 23:16 UTC	ASA660	SEA → SEA Seattle → Seattle	N921AK	Boeing 737 MAX 9	Completed	665 km
2026-09-22 20:17 UTC	ASA660	SEA → MSO Seattle → Missoula	N921AK	Boeing 737 MAX 9	Completed	757 km
2026-09-21 22:41 UTC	ASA660	MSO → SEA Missoula → Seattle	N733AL	Boeing 737 MAX 9	Completed	719 km
2026-09-21 19:38 UTC	ASA660	SEA → MSO Seattle → Missoula	N733AL	Boeing 737 MAX 9	Completed	695 km
2026-09-20 22:25 UTC	ASA660	? → SEA ? → Seattle	N247AK	Boeing 737-900	Completed	701 km
2026-09-20 19:49 UTC	ASA660	SEA → MSO Seattle → Missoula	N247AK	Boeing 737-900	Completed	753 km
2026-09-19 22:25 UTC	ASA660	MSO → SEA Missoula → Seattle	N935AK	Boeing 737 MAX 9	Completed	750 km
2026-09-19 19:42 UTC	ASA660	SEA → MSO Seattle → Missoula	N935AK	Boeing 737 MAX 9	Completed	684 km
2026-09-18 23:37 UTC	ASA660	MSO → SEA Missoula → Seattle	N917KA	Boeing 737 MAX 9	Completed	693 km
2026-09-18 20:40 UTC	ASA660	SEA → MSO Seattle → Missoula	N917KA	Boeing 737 MAX 9	Completed	809 km
2026-09-17 22:38 UTC	ASA660	MSO → SEA Missoula → Seattle	N613AS	Boeing 737-700	Completed	767 km
2026-09-17 20:05 UTC	ASA660	SEA → MSO Seattle → Missoula	N613AS	Boeing 737-700	Completed	728 km
2026-09-17 00:53 UTC	ASA660	MSO → SEA Missoula → Seattle	N285AK	Boeing 737-900	Completed	783 km
2026-09-16 22:24 UTC	ASA660	SEA → MSO Seattle → Missoula	N285AK	Boeing 737-900	Completed	777 km
2026-09-16 13:15 UTC	ASA660	IAD → SEA Washington, DC → Seattle	N285AK	Boeing 737-900	Completed	4017 km
2026-09-15 22:28 UTC	ASA660	MSO → SEA Missoula → Seattle	N248AK	Boeing 737-900	Completed	776 km
2026-09-15 19:58 UTC	ASA660	SEA → MSO Seattle → Missoula	N248AK	Boeing 737-900	Completed	789 km
2026-09-14 23:03 UTC	ASA660	MSO → SEA Missoula → Seattle	N943AK	Boeing 737 MAX 9	Completed	694 km
2026-09-14 19:55 UTC	ASA660	SEA → MSO Seattle → Missoula	N943AK	Boeing 737 MAX 9	Completed	801 km
2026-09-13 22:57 UTC	ASA660	MSO → SEA Missoula → Seattle	N924AK	Boeing 737 MAX 9	Completed	694 km
2026-09-13 20:14 UTC	ASA660	SEA → MSO Seattle → Missoula	N924AK	Boeing 737 MAX 9	Completed	786 km
2026-09-12 22:32 UTC	ASA660	MSO → SEA Missoula → Seattle	N413AS	Boeing 737-900	Completed	761 km
2026-09-12 19:42 UTC	ASA660	SEA → MSO Seattle → Missoula	N413AS	Boeing 737-900	Completed	685 km
2026-09-11 19:47 UTC	ASA660	SEA → SEA Seattle → Seattle	N265AK	Boeing 737-900	Completed	1547 km
2026-09-10 23:14 UTC	ASA660	MSO → SEA Missoula → Seattle	N708AL	Boeing 737 MAX 9	Completed	767 km
2026-09-10 20:04 UTC	ASA660	SEA → MSO Seattle → Missoula	N708AL	Boeing 737 MAX 9	Completed	807 km
2026-09-09 22:47 UTC	ASA660	MSO → SEA Missoula → Seattle	N275AK	Boeing 737-900	Completed	754 km
2026-09-09 19:46 UTC	ASA660	SEA → MSO Seattle → Missoula	N275AK	Boeing 737-900	Completed	787 km
2026-09-07 22:52 UTC	ASA660	? → SEA ? → Seattle	N918AK	Boeing 737 MAX 9	Completed	698 km
2026-09-07 20:18 UTC	ASA660	SEA → MSO Seattle → Missoula	N918AK	Boeing 737 MAX 9	Completed (landing presumed)	786 km