Best time to fly Detroit to Pellston

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

Best month

October

90.7% on time · 54 flights

Worst month

December

54.8% on time · 53 flights

Month Flights On time Cancelled When late, by
January 53 65.8% 28.3% 105 min
February 48 62.2% 18.75% 75 min
March 53 57.1% 18.87% 91 min
April 51 66.7% 70.59% 33 min
May 54 89.1% 14.81% 97 min
June 58 85.7% 1.72% 51 min
July 62 81.7% 1.61% 91 min
August 62 88.5% 0% 104 min
September 60 88.3% 0% 62 min
October 54 90.7% 0% 99 min
November 52 84% 3.85% 119 min
December 53 54.8% 20.75% 100 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.