AS1439 AnchorageANC · 00:29 SeattleSEA · 05:00
AS1439 by Alaska Airlines flies from Anchorage (ANC) to Seattle (SEA).
scheduled from ANC
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 AS1439 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 AS1439 actually runs
Pro Flight Search has tracked every published board update for AS1439 across the ANC and SEA boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: departed -1 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how AS1439 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: N609AS, N613AS, N409AS.
Board clocks recorded as ANC and SEA published them.
Planning around AS1439? 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 — AS1439 Anchorage to Seattle on-time performance, measured from the ANC and SEA airport boards.
https://proflightsearch.com/flight/AS1439
.