Best time to fly Buffalo to New York

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

Best month

September

89.3% on time · 190 flights

Worst month

December

65.5% on time · 132 flights

Month Flights On time Cancelled When late, by
January 144 74.6% 9.72% 61 min
February 142 72.9% 9.15% 87 min
March 152 72.5% 9.21% 84 min
April 127 77.8% 0.79% 78 min
May 153 81.6% 0.65% 77 min
June 118 84.8% 5.08% 74 min
July 170 76% 14.12% 92 min
August 183 85.6% 1.09% 72 min
September 190 89.3% 1.58% 73 min
October 180 76.6% 2.78% 63 min
November 144 73.7% 4.86% 88 min
December 132 65.5% 8.33% 70 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.