AR1251 São PauloGRU · 20:20 Buenos AiresAEP · 23:40
AR1251 by Aerolineas Argentinas flies from São Paulo (GRU) to Buenos Aires (AEP).
scheduled from GRU
⚖ AR1251 typically leaves +52 and lands +18. The air wins minutes back.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 +18 min · 0 cancelled · 10 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at GRU and AEP 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 São Paulo to Buenos Aires flights today
same route · Aerolineas ArgentinasIf AR1251 is cancelled, these are the other Aerolineas Argentinas nonstop flights from São Paulo to Buenos Aires on the same day, with scheduled departure times in GRU local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AR1251 actually runs
Pro Flight Search has tracked every published board update for AR1251 across the GRU and AEP boards: schedule changes, gate pushes and actual clocks. Usually lands ~18 min late. Based on 7 confirmed landings · 3/7 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 AR1251 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: LVHKU, LV-HKU, LVHKV, LV-HKV.
Board clocks recorded as GRU and AEP published them.
Planning around AR1251? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AR1251 São Paulo to Buenos Aires on-time performance, measured from the GRU and AEP airport boards.
https://proflightsearch.com/flight/AR1251
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