AS438: Alaska flight 438
Seattle (SEA) → Houston (IAH) · departs 10:47a, lands 5:14p local · Daily
The timetable below has every scheduled departure; for today's flight, check Alaska.
An estimate from the published timetable, not live tracking: it cannot know about delays, diversions or cancellations.
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AS438 timetable
Published departure and arrival times, each in its airport's local time, from the flights we sampled Oct 14–20.
| Route | Departs | Arrives | Scheduled | Days |
|---|---|---|---|---|
| SEA → IAHSeattle to Houston | 10:47a | 5:14p | 4h27m | Daily |
How AS438 ran in our sample
6 of 7 departures left within 15 minutes of schedule (Oct 14–20). Only flights that departed are counted: cancellations are not in our data.
Aircraft: Boeing 737-900 on 6 of 7; also Boeing 737 MAX 9 (1).
What time does AS438 leave Seattle?
AS438 is scheduled to depart Seattle (SEA) at 10:47a (daily), Seattle time, and to land in Houston (IAH) at about 5:14p local time, a scheduled 4h27m. Times are the published ones from the flights we sampled Oct 14–20; check Alaska for today's.
What plane is AS438?
Boeing 737-900 on 6 of the 7 AS438 flights from SEA we sampled Oct 14–20; the rest were a Boeing 737 MAX 9. Airlines swap aircraft, so the plane on a given day can differ.
Does AS438 fly every day?
Yes — AS438 flew Seattle to Houston every day of the week we sampled (Oct 14–20).
Is AS438 usually on time?
Of 7 AS438 departures from SEA we sampled Oct 14–20, 6 left within 15 minutes of the scheduled time. That counts only flights that departed — cancellations are not in our data — and one week is a small sample, so treat it as a hint, not a rating.
More Alaska flights from Seattle
Timetable from Alaska departures we observed; AS438 is a Alaska Airlines flight number, and Hop Nonstop is not affiliated with Alaska. Schedules change — confirm with the airline before you travel.