AS519 San AntonioSAT SeattleSEA
AS519 by Alaska Airlines flies from San Antonio (SAT) to Seattle (SEA).
scheduled from SAT
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SAT 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 San Antonio to Seattle flights today
same route · Alaska AirlinesIf AS519 is cancelled, this is the other Alaska Airlines nonstop flight from San Antonio to Seattle on the same day, with scheduled departure times in SAT local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AS519 actually runs
Pro Flight Search has tracked every published board update for AS519 across the SAT and SEA boards: schedule changes, gate pushes and actual clocks. Combined risk score: 3.7/100. Based on airport operations, weather, and cached board history at SAT and SEA.
The verdict above is that record speaking, so it reflects how AS519 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 SAT and SEA published them.
Planning around AS519? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AS519 San Antonio to Seattle on-time performance, measured from the SAT and SEA airport boards.
https://proflightsearch.com/flight/AS519
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