Best time to fly Cedar Rapids/Iowa City to Phoenix

Every month pooled across the years on record, so "July" means July generally rather than one particular July. Full CID to AZA 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 20 75% 0% 30 min
February 21 76.2% 0% 97 min
March 31 80% 3.23% 30 min
April 9 44.4% 0% 58 min
May 11 81.8% 0% 31 min
June 12 83.3% 0% 48 min
July 13 100% 0%
August 9 100% 0%
September 8 87.5% 0% 89 min
October 17 70.6% 0% 42 min
November 21 80% 4.76% 47 min
December 24 69.6% 4.17% 170 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.