Best time to fly Nashville to Oklahoma City

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

Best month

March

89.5% on time · 87 flights

Worst month

June

57.3% on time · 90 flights

Month Flights On time Cancelled When late, by
January 44 87.8% 6.82% 72 min
February 47 80.9% 0% 30 min
March 87 89.5% 1.15% 63 min
April 90 76.4% 0% 51 min
May 93 71.4% 0% 38 min
June 90 57.3% 0% 51 min
July 62 61.3% 0% 44 min
August 65 81.5% 0% 36 min
September 66 83.3% 0% 40 min
October 62 85.5% 0% 33 min
November 55 78.2% 0% 50 min
December 50 70% 0% 58 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.