AS660 SeattleSEA · 12:57 MissoulaMSO
AS660 by Alaska Airlines flies from Seattle (SEA) to Missoula (MSO) for the Thu, Nov 12 departure.
departs SEA · on schedule
board checked 7m ago · checking again in 45s
The route today
live boardsTomorrow at Seattle
ForecastFri 13 Nov, local date
- 91% chance of rain
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Seattle to Missoula flights today
same route · Alaska AirlinesIf AS660 is cancelled, these are the other Alaska Airlines nonstop flights from Seattle to Missoula on the same day, with scheduled departure times in SEA local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How AS660 actually runs
Pro Flight Search has tracked every published board update for AS660 across the SEA and MSO boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at SEA and MSO.
The verdict above is that record speaking, so it reflects how AS660 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as SEA and MSO published them.
Planning around AS660? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: AS660 Seattle to Missoula on-time performance, measured from the SEA and MSO airport boards.
https://proflightsearch.com/flight/AS660
.