AA1157 MiamiMIA · 10:31 CancúnCUN · 11:33
AA1157 by American Airlines flies from Miami (MIA) to Cancún (CUN) for the Mon, Sep 7 departure.
arrival expected at CUN · on schedule
board checked 15m ago · checking again in 45s
Where the minutes go
last 3 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 MIA and CUN 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 Miami to Cancún flights today
same route · American AirlinesIf AA1157 is cancelled, this is the other American Airlines nonstop flight from Miami to Cancún on the same day, with scheduled departure times in MIA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AA1157 actually runs
Pro Flight Search has tracked every published board update for AA1157 across the MIA and CUN boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: left heavily delayed (~71 min) but landed about 6 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how AA1157 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: N991AU.
Board clocks recorded as MIA and CUN published them.
Planning around AA1157? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AA1157 Miami to Cancún on-time performance, measured from the MIA and CUN airport boards.
https://proflightsearch.com/flight/AA1157
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