AA1251 San JuanSJU · 06:30 MiamiMIA · 09:24
AA1251 by American Airlines flies from San Juan (SJU) to Miami (MIA).
scheduled from SJU
Where the minutes go
last 5 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 −20 min · 0 cancelled · 5 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SJU and MIA are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 →
Tomorrow on this route
ForecastSan Juan to Miami with American Airlines · Sat 31 Oct, local date
- Chance a departure leaves 60+ min late
- 14%1.8× usual
Forecast weather: 32% chance of thunder and 82% chance of rain at San Juan; 84% chance of rain at Miami
No cancellation outlook here: this airport's board does not publish cancellations reliably.
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 5 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other San Juan to Miami flights today
same route · American AirlinesIf AA1251 is cancelled, these are the other American Airlines nonstop flights from San Juan to Miami on the same day, with scheduled departure times in SJU local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How AA1251 actually runs
Pro Flight Search has tracked every published board update for AA1251 across the SJU and MIA boards: schedule changes, gate pushes and actual clocks. Usually lands ~20 min early. Based on 5 confirmed landings · 5/5 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how AA1251 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: N162AA, N150NN, N972NN, N898NN.
Board clocks recorded as SJU and MIA published them.
Planning around AA1251? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: AA1251 San Juan to Miami on-time performance, measured from the SJU and MIA airport boards.
https://proflightsearch.com/flight/AA1251
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