Best time to fly Austin to Dallas

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

Best month

January

87.8% on time · 197 flights

Worst month

June

67.5% on time · 194 flights

Month Flights On time Cancelled When late, by
January 197 87.8% 8.12% 59 min
February 188 78.4% 1.6% 42 min
March 201 70.7% 1.49% 55 min
April 200 78.4% 0.5% 51 min
May 205 74.6% 0.98% 72 min
June 194 67.5% 1.55% 70 min
July 197 71.7% 2.54% 67 min
August 189 82% 0% 72 min
September 189 87.2% 0% 65 min
October 207 79.5% 0.97% 53 min
November 182 76.3% 2.75% 69 min
December 184 80.4% 0% 42 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.