Best time to fly Charleston/Dunbar to Charlotte

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

Best month

September

83.1% on time · 204 flights

Worst month

February

66.4% on time · 155 flights

Month Flights On time Cancelled When late, by
January 178 71% 12.92% 106 min
February 155 66.4% 3.87% 138 min
March 183 77.5% 0.55% 82 min
April 176 75.4% 0.57% 78 min
May 183 79.3% 2.19% 57 min
June 179 69.4% 5.03% 79 min
July 190 72.9% 1.05% 142 min
August 195 75.9% 1.03% 78 min
September 204 83.1% 1.47% 115 min
October 204 74% 0% 43 min
November 192 82.4% 2.08% 44 min
December 192 74.6% 3.65% 78 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.