Best time to fly Greensboro/High Point to Miami

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

Best month

August

95.1% on time · 62 flights

Worst month

December

78.9% on time · 95 flights

Month Flights On time Cancelled When late, by
January 98 84.9% 4.08% 56 min
February 67 85.9% 2.99% 60 min
March 83 91.6% 0% 87 min
April 93 93.5% 0% 48 min
May 79 89.9% 0% 26 min
June 81 85% 0% 50 min
July 62 87.1% 0% 59 min
August 62 95.1% 0% 193 min
September 60 93.3% 0% 27 min
October 65 93.8% 0% 179 min
November 90 90.5% 6.67% 55 min
December 95 78.9% 0% 43 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.