Best time to fly Amsterdam to Aberdeen

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

Best month

April

89.9% on time · 150 flights

Worst month

January

71.6% on time · 143 flights

Month Flights On time Cancelled When late, by
January 143 71.6% 6.29% 0 min
February 128 84.3% 0.78% 0 min
March 138 80.5% 3.62% 0 min
April 150 89.9% 0.67% 0 min
May 155 82.6% 3.87% 0 min
June 295 81.2% 1.02% 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.