Best time to fly Provo to Phoenix

Every month pooled across the years on record, so "July" means July generally rather than one particular July. Full PVU to PHX 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 57 69.6% 0% 115 min
February 50 88% 0% 105 min
March 54 70.4% 0% 84 min
April 58 77.2% 0% 47 min
May 61 91.8% 0% 64 min
June 60 66.7% 0% 187 min
July 40 71.8% 2.5% 95 min
August 29 75.9% 0% 117 min
September 26 61.5% 0% 102 min
October 51 70.6% 0% 94 min
November 56 69.6% 0% 113 min
December 55 83.6% 0% 66 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.