AS2121 SeattleSEA KalispellFCA
AS2121 by Alaska Airlines flies from Seattle (SEA) to Kalispell (FCA).
scheduled from SEA
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Seattle to Kalispell flights today
same route · Alaska AirlinesIf AS2121 is cancelled, these are the other Alaska Airlines nonstop flights from Seattle to Kalispell on the same day, with scheduled departure times in SEA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AS2121 actually runs
Pro Flight Search has tracked every published board update for AS2121 across the SEA and FCA boards: schedule changes, gate pushes and actual clocks. Combined risk score: 87.0/100. Based on airport operations, weather, and cached board history at SEA and FCA.
The verdict above is that record speaking, so it reflects how AS2121 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 FCA published them.
Planning around AS2121? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AS2121 Seattle to Kalispell on-time performance, measured from the SEA and FCA airport boards.
https://proflightsearch.com/flight/AS2121
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