Best time to fly Atlanta to Dallas

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

Best month

February

88% on time · 244 flights

Worst month

May

73.2% on time · 293 flights

Month Flights On time Cancelled When late, by
January 258 85.4% 7.36% 53 min
February 244 88% 0.82% 45 min
March 274 80.7% 4.74% 61 min
April 262 82.5% 3.05% 48 min
May 293 73.2% 1.37% 63 min
June 264 80.1% 0% 64 min
July 315 75.4% 1.59% 68 min
August 313 82.8% 0.64% 53 min
September 305 86.8% 0% 62 min
October 316 81.5% 0.32% 70 min
November 284 78.9% 2.46% 58 min
December 270 82% 0.74% 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.