Best time to fly Manchester to Paris (Roissy-en-France

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

Best month

March

78.4% on time · 232 flights

Worst month

January

54.7% on time · 209 flights

Month Flights On time Cancelled When late, by
January 209 54.7% 2.87% 0 min
February 211 74.2% 0.95% 0 min
March 232 78.4% 0.43% 0 min
April 222 76.4% 0.9% 0 min
May 220 70.2% 0.91% 0 min
June 459 61.4% 0.65% 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.