AS1637 Las VegasLAS AnchorageANC
AS1637 by Alaska Airlines flies from Las Vegas (LAS) to Anchorage (ANC).
scheduled from LAS
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at LAS and ANC 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 Las Vegas to Anchorage flights
same route · Alaska AirlinesIf AS1637 is cancelled, this is the other Alaska Airlines nonstop flight from Las Vegas to Anchorage, with scheduled departure times in LAS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AS1637 actually runs
Pro Flight Search has tracked every published board update for AS1637 across the LAS and ANC boards: schedule changes, gate pushes and actual clocks. Combined risk score: 38.0/100. Based on airport operations, weather, and cached board history at LAS and ANC.
The verdict above is that record speaking, so it reflects how AS1637 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around AS1637? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AS1637 Las Vegas to Anchorage on-time performance, measured from the LAS and ANC airport boards.
https://proflightsearch.com/flight/AS1637
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