AA3966 PhoenixPHX · 09:41 HoustonIAH · 14:35
AA3966 by American Airlines flies from Phoenix (PHX) to Houston (IAH) for the Sat, Aug 22 departure.
arrived at IAH · 20 min early
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at PHX 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.
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 Phoenix to Houston flights today
same route · American AirlinesIf AA3966 is cancelled, these are the other American Airlines nonstop flights from Phoenix to Houston on the same day, with scheduled departure times in PHX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AA3966 actually runs
Pro Flight Search has tracked every published board update for AA3966 across the PHX and IAH boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: left about 6 min early but landed about 17 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how AA3966 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 PHX and IAH published them.
Planning around AA3966? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AA3966 Phoenix to Houston on-time performance, measured from the PHX and IAH airport boards.
https://proflightsearch.com/flight/AA3966
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