Alaska Airlines
AS660Seattle to Missoula
Alaska Airlines flight AS660 flies from Seattle Tacoma (SEA) to Missoula (MSO), 624 km. Over October 2025 to July 2026 it usually arrives about 2 minutes early: 84% of 341 flights arrived within 15 minutes of schedule and 2.1% were cancelled (US Department of Transportation data).
On-time record, last 12 months
84%
on time (within 15 min)
7%
more than 30 min late
2.1%
cancelled
-2 min
average arrival vs schedule
Every operation of AS660, October 2025 to July 2026: 341 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as AS660
- Seattle Tacoma (SEA) to Missoula (MSO)145 flights
- Missoula (MSO) to Seattle Tacoma (SEA)144 flights
- Seattle Tacoma (SEA) to Anchorage (ANC)52 flights
Other flights from Seattle to Missoula
More about Seattle Tacoma (SEA) and Missoula (MSO).
Embed this on your site
A live badge for travel blogs, forums and trip reports. It updates as new data comes in, and links back here for the full stats.
Dark badge, HTML
<a href="https://tripstow.com/flights/as660" title="AS660 is on time 84% of the time on TripStow"><img src="https://tripstow.com/badge/flights/as660.svg" alt="AS660 is on time 84% of the time" width="360" height="88" loading="lazy"></a>
Light badge, HTML
<a href="https://tripstow.com/flights/as660" title="AS660 is on time 84% of the time on TripStow"><img src="https://tripstow.com/badge/flights/as660.svg?theme=light" alt="AS660 is on time 84% of the time" width="360" height="88" loading="lazy"></a>Markdown, for forums and README files
[](https://tripstow.com/flights/as660)Flying soon?
Forward your booking to TripStow and get your trip built for you, with check-in reminders, punctuality for every flight and a map of everywhere you have been.
Start free