Best time to fly Mendoza to São Paulo

Every month pooled across the years on record, so "July" means July generally rather than one particular July. Full MDZ to GRU record →

There is not yet enough of the year on record for this route to say anything about seasons. The months below are shown as recorded.

Month Flights On time Cancelled When late, by
January 72 79.2% 0% 34 min
February 63 73.3% 4.76% 31 min
March 67 70.1% 0% 30 min
April 67 56.1% 1.49% 33 min
May 72 69.4% 0% 35 min
June 44 61.4% 0% 38 min
July 99 67.3% 1.01% 38 min
October 3 100% 0%
November 34 73.5% 0% 31 min
December 35 64.7% 2.86% 33 min

What a seasonal pattern can and cannot tell you

Months differ for reasons that repeat — summer thunderstorms in the American interior, winter fog and de-icing in northern Europe, school holidays filling every seat and leaving no slack in the schedule. Those are real and they come back each year.

What the pattern cannot do is forecast a particular flight. A quiet month has late days and a bad month has punctual ones. Treat this as a way to choose between two dates you are indifferent about, not as a promise.