AR1251 São PauloGRU · 20:20 Buenos AiresAEP · 23:20
AR1251 by Aerolineas Argentinas flies from São Paulo (GRU) to Buenos Aires (AEP) for the Wed, Aug 19 departure.
arrival expected at AEP · on schedule
board checked 30m ago · checking again in 45s
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. Early read — pattern not clear yet. Only 2 completed legs so far: landed +13 min. Not enough to call it.
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: LVGGK, LV-GGK, LVKKD, LV-KKD.
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
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
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
.