Best time to fly Atlanta to Tampa

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

Best month

September

82.2% on time · 433 flights

Worst month

July

54.5% on time · 545 flights

Month Flights On time Cancelled When late, by
January 503 73.5% 2.58% 56 min
February 489 79.7% 0.2% 49 min
March 568 72.1% 3.52% 68 min
April 557 80% 0.54% 51 min
May 565 68.4% 0.35% 66 min
June 533 79.5% 0.94% 60 min
July 545 54.5% 1.1% 68 min
August 472 69.2% 0.21% 59 min
September 433 82.2% 0% 52 min
October 484 77% 0.21% 57 min
November 488 75.9% 2.87% 65 min
December 504 69.9% 1.79% 63 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.