AS438 SeattleSEA · 10:48 HoustonIAH · 17:13
AS438 by Alaska Airlines flies from Seattle (SEA) to Houston (IAH) for the Sun, Sep 6 departure.
arrived at IAH · 6 min early
Where the minutes go
last 3 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at SEA and IAH 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
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 Seattle to Houston flights today
same route · Alaska AirlinesIf AS438 is cancelled, these are the other Alaska Airlines nonstop flights from Seattle to Houston 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 AS438 actually runs
Pro Flight Search has tracked every published board update for AS438 across the SEA and IAH boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: landed -6 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how AS438 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 IAH published them.
Planning around AS438? 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 — AS438 Seattle to Houston on-time performance, measured from the SEA and IAH airport boards.
https://proflightsearch.com/flight/AS438
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