Best time to fly Dallas/Fort Worth to Springfield

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

Best month

October

86.7% on time · 559 flights

Worst month

June

70.1% on time · 522 flights

Month Flights On time Cancelled When late, by
January 470 83.4% 6.6% 65 min
February 424 83.3% 2.12% 45 min
March 462 81.2% 1.95% 59 min
April 492 78.5% 2.24% 58 min
May 518 78.5% 3.86% 59 min
June 522 70.1% 2.87% 59 min
July 540 71.8% 1.48% 49 min
August 551 80.6% 0.54% 50 min
September 551 81.9% 0% 55 min
October 559 86.7% 0.18% 67 min
November 529 85.5% 3.21% 56 min
December 518 82.8% 0.77% 63 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.