AA431 ChicagoORD · 22:00 San AntonioSAT
AA431 by American Airlines flies from Chicago (ORD) to San Antonio (SAT) for the Tue, Sep 8 departure.
departs ORD · on schedule
board checked 4m ago · checking again in 45s
Where the minutes go
last 4 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
Measured, 90-day sampleConditions at ORD and SAT 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 Chicago to San Antonio flights today
same route · American AirlinesIf AA431 is cancelled, these are the other American Airlines nonstop flights from Chicago to San Antonio on the same day, with scheduled departure times in ORD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AA431 actually runs
Pro Flight Search has tracked every published board update for AA431 across the ORD and SAT boards: schedule changes, gate pushes and actual clocks. Usually departs ~59 min late. Based on 4 confirmed departures · 2/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how AA431 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 ORD and SAT published them.
Planning around AA431? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AA431 Chicago to San Antonio on-time performance, measured from the ORD and SAT airport boards.
https://proflightsearch.com/flight/AA431
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