AS660

For travellers

Arrival · Seattle (SEA)

Gate D3

Scheduled 02 Oct 17:00 · Estimated 02 Oct 17:11 · +11 min

Board status: Landed

Landed 02 Oct 18:06 (ADS-B)

Board data from sea, updated 491 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

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

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