Best time to fly Dallas/Fort Worth to Tulsa

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

Best month

September

78.6% on time · 247 flights

Worst month

June

63.6% on time · 233 flights

Month Flights On time Cancelled When late, by
January 205 73.8% 8.78% 85 min
February 186 74.5% 1.08% 77 min
March 240 74.9% 1.25% 77 min
April 235 76.2% 1.7% 55 min
May 242 72.7% 4.55% 75 min
June 233 63.6% 5.58% 102 min
July 305 66.2% 2.95% 81 min
August 258 65.6% 3.88% 55 min
September 247 78.6% 3.24% 85 min
October 255 77.9% 1.96% 70 min
November 218 76% 4.59% 70 min
December 221 70% 0.45% 62 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.