Best time to fly Charlotte to Hartford

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

Best month

January

87.2% on time · 126 flights

Worst month

March

61.9% on time · 149 flights

Month Flights On time Cancelled When late, by
January 126 87.2% 13.49% 50 min
February 121 73.9% 8.26% 48 min
March 149 61.9% 1.34% 89 min
April 145 73.1% 0% 66 min
May 151 75.3% 0% 57 min
June 148 72.6% 0.68% 64 min
July 152 66.7% 2.63% 83 min
August 136 67.4% 0% 87 min
September 128 78.7% 0.78% 76 min
October 162 85.6% 0% 54 min
November 126 84% 0.79% 63 min
December 132 76.3% 0.76% 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.