AA551 MiamiMIA · 08:45 PhiladelphiaPHL · 15:40
AA551 by American Airlines flies from Miami (MIA) to Philadelphia (PHL) for the Thu, Sep 10 departure.
departs MIA · on schedule
board checked 2m 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 PHL 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 Philadelphia flights today
same route · American AirlinesIf AA551 is cancelled, these are the other American Airlines nonstop flights from Miami to Philadelphia 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 AA551 actually runs
Pro Flight Search has tracked every published board update for AA551 across the MIA and PHL boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: left a little late (~13 min) but landed about 19 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how AA551 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: N905NN, N985NN.
Board clocks recorded as MIA and PHL published them.
Planning around AA551? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AA551 Miami to Philadelphia on-time performance, measured from the MIA and PHL airport boards.
https://proflightsearch.com/flight/AA551
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