AA1159 ChicagoORD · 19:00 MiamiMIA · 23:15
AA1159 by American Airlines flies from Chicago (ORD) to Miami (MIA) for the Sun, Sep 13 departure.
departs ORD · on schedule
board checked 12m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at ORD and MIA 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 Miami flights today
same route · American AirlinesIf AA1159 is cancelled, these are the other American Airlines nonstop flights from Chicago to Miami 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 AA1159 actually runs
Pro Flight Search has tracked every published board update for AA1159 across the ORD and MIA boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: left heavily delayed (~74 min) but landed heavily delayed (~60 min). Not enough to call it.
The verdict above is that record speaking, so it reflects how AA1159 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N131NN, N978UY.
Board clocks recorded as ORD and MIA published them.
Planning around AA1159? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AA1159 Chicago to Miami on-time performance, measured from the ORD and MIA airport boards.
https://proflightsearch.com/flight/AA1159
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