Best time to fly Denver to Dickinson

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

Best month

October

87.4% on time · 120 flights

Worst month

June

64.4% on time · 107 flights

Month Flights On time Cancelled When late, by
January 119 72.5% 4.2% 148 min
February 108 80% 2.78% 77 min
March 119 78.3% 2.52% 67 min
April 108 69.5% 0.93% 89 min
May 110 76.4% 2.73% 99 min
June 107 64.4% 2.8% 92 min
July 115 74.8% 3.48% 82 min
August 114 73% 2.63% 200 min
September 112 78.6% 0% 49 min
October 120 87.4% 0% 60 min
November 114 84.5% 2.63% 112 min
December 119 85.3% 0% 179 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.