AS221 AnchorageANC · 09:07 SeattleSEA · 13:41
AS221 by Alaska Airlines flies from Anchorage (ANC) to Seattle (SEA) for the Wed, Sep 16 departure.
en route from ANC to SEA
board checked 51m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 09:27 · typical taxi-out at ANC ≈ 7 min.
Where the minutes go
last 5 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operation0 cancelled · 5 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at ANC and SEA are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Anchorage to Seattle flights today
same route · Alaska AirlinesIf AS221 is cancelled, these are the other Alaska Airlines nonstop flights from Anchorage to Seattle on the same day, with scheduled departure times in ANC local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AS221 actually runs
Pro Flight Search has tracked every published board update for AS221 across the ANC and SEA boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 5 confirmed departures · 5/5 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how AS221 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N720AL, N924AK, N247AK, N292AK.
Board clocks recorded as ANC and SEA published them.
Planning around AS221? 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 — AS221 Anchorage to Seattle on-time performance, measured from the ANC and SEA airport boards.
https://proflightsearch.com/flight/AS221
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