Best time to fly Memphis to Las Vegas

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

Best month

November

90.2% on time · 123 flights

Worst month

June

71.6% on time · 102 flights

Month Flights On time Cancelled When late, by
January 96 89.1% 4.17% 58 min
February 88 84.1% 0% 84 min
March 100 76% 0% 55 min
April 96 78.1% 0% 72 min
May 106 75.5% 0% 118 min
June 102 71.6% 0% 57 min
July 124 71.9% 2.42% 87 min
August 115 80.9% 0% 90 min
September 116 82.8% 0% 64 min
October 152 81.6% 0% 43 min
November 123 90.2% 0% 68 min
December 109 87.2% 0% 53 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.