Best time to fly Florianópolis to São Paulo

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

Best month

May

92.4% on time · 795 flights

Worst month

December

69.1% on time · 413 flights

Month Flights On time Cancelled When late, by
January 422 83.5% 1.18% 37 min
February 387 84.7% 0.26% 54 min
March 391 87.6% 1.28% 53 min
April 789 87.8% 2.66% 55 min
May 795 92.4% 1.76% 70 min
June 482 88.7% 0.62% 58 min
July 349 83.3% 2.29% 37 min
October 39 86.8% 2.56% 22 min
November 393 87.4% 1.02% 53 min
December 413 69.1% 3.63% 53 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.