AA257 MiamiMIA · 18:36 Mexico CityMEX · 20:00
AA257 by American Airlines flies from Miami (MIA) to Mexico City (MEX) for the Mon, Aug 17 departure.
estimated arrival at MEX · local time · ~12 min from now
position updated 6m ago · checking again in 90s
Live position · flown path, last 2h 32m
Where the minutes go
last 7 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival −16 min · 0 cancelled · 14 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at MIA and MEX 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.
Under low visibility at MIA, American Airlines has historically cancelled ~14% of flights, vs 1.6% in clear conditions, over the trailing 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 Mexico City flights today
same route · American AirlinesIf AA257 is cancelled, these are the other American Airlines nonstop flights from Miami to Mexico City 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 AA257 actually runs
Pro Flight Search has tracked every published board update for AA257 across the MIA and MEX boards: schedule changes, gate pushes and actual clocks. Usually departs ~16 min late. Based on 14 confirmed departures · 6/14 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how AA257 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: N314UT, N976NN, N324VL, N301UC.
Board clocks recorded as MIA and MEX published them.
Planning around AA257? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AA257 Miami to Mexico City on-time performance, measured from the MIA and MEX airport boards.
https://proflightsearch.com/flight/AA257
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