Best time to fly Prescott to Denver

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

Best month

September

93.1% on time · 60 flights

Worst month

June

73.4% on time · 81 flights

Month Flights On time Cancelled When late, by
January 93 76.1% 1.08% 99 min
February 84 77.1% 0% 187 min
March 93 84.6% 2.15% 164 min
April 82 78% 0% 180 min
May 84 83.3% 0% 65 min
June 81 73.4% 0% 114 min
July 62 78.7% 1.61% 98 min
August 62 74.2% 0% 132 min
September 60 93.1% 0% 172 min
October 68 86.8% 0% 96 min
November 89 90.9% 1.12% 118 min
December 92 81.5% 0% 89 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.