Best time to fly Appleton to Dallas/Fort Worth

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

Best month

September

96.6% on time · 60 flights

Worst month

April

75% on time · 62 flights

Month Flights On time Cancelled When late, by
January 62 78% 4.84% 96 min
February 56 76.4% 0% 44 min
March 62 84.7% 4.84% 106 min
April 62 75% 1.61% 72 min
May 73 94.4% 0% 188 min
June 86 84.5% 1.16% 140 min
July 64 87.5% 0% 47 min
August 62 90.2% 0% 240 min
September 60 96.6% 0% 37 min
October 62 93.5% 0% 114 min
November 60 86.7% 0% 53 min
December 62 76.7% 1.61% 62 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.