Best time to fly Aberdeen to London

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

Best month

March

95.2% on time · 248 flights

Worst month

July

71.8% on time · 124 flights

Month Flights On time Cancelled When late, by
January 250 74% 3.2% 0 min
February 225 91.1% 0.44% 0 min
March 248 95.2% 0% 0 min
April 240 92.1% 0% 0 min
May 248 89.5% 0% 0 min
June 240 82.9% 0% 0 min
July 124 71.8% 0% 0 min
August 124 76.2% 1.61% 0 min
September 120 73.3% 0% 0 min
October 125 81.1% 2.4% 0 min
November 120 92.5% 0% 0 min
December 121 90.1% 0% 0 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.