AS538 SeattleSEA · 17:51 ChicagoORD · 23:59
AS538 by Alaska Airlines flies from Seattle (SEA) to Chicago (ORD) for the Wed, Sep 9 departure.
departs SEA · on schedule
board checked 4m ago · checking again in 45s
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by ORD (Chicago), currently flying MVFR (marginal visual). 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 Seattle to Chicago flights today
same route · Alaska AirlinesIf AS538 is cancelled, these are the other Alaska Airlines nonstop flights from Seattle to Chicago 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 AS538 actually runs
Pro Flight Search has tracked every published board update for AS538 across the SEA and ORD boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: landed +10 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how AS538 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 ORD published them.
Planning around AS538? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AS538 Seattle to Chicago on-time performance, measured from the SEA and ORD airport boards.
https://proflightsearch.com/flight/AS538
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