Best time to fly Las Vegas to New Orleans

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

Best month

August

85.3% on time · 76 flights

Worst month

March

59.6% on time · 52 flights

Month Flights On time Cancelled When late, by
January 44 84.1% 0% 49 min
February 60 83.1% 0% 46 min
March 52 59.6% 0% 48 min
April 63 81% 0% 42 min
May 66 65.2% 0% 44 min
June 83 63.4% 1.2% 48 min
July 81 67.9% 0% 60 min
August 76 85.3% 1.32% 84 min
September 73 84.7% 1.37% 42 min
October 103 68.6% 0.97% 45 min
November 74 71.6% 0% 39 min
December 63 79.4% 0% 66 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.