Best time to fly Lexington to Philadelphia

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

There is not yet enough of the year on record for this route to say anything about seasons. The months below are shown as recorded.

Month Flights On time Cancelled When late, by
January 26 82.6% 11.54% 44 min
February 27 72% 7.41% 52 min
March 31 83.3% 3.23% 100 min
April 73 87.5% 1.37% 68 min
May 106 80% 5.66% 71 min
June 93 73.3% 7.53% 103 min
July 61 72% 18.03% 57 min
August 37 80% 5.41% 103 min
September 30 79.3% 3.33% 58 min
October 31 93.5% 0% 21 min
November 29 79.3% 0% 88 min
December 17 50% 5.88% 50 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.