Charles de Gaulle airport is negatively affected, both as a destination and as a hub," said Olivier Ponti, VP of Insights at travel data firm ForwardKeys.
Some 33,300 flights were cancelled this year over Easter, compared with 7,800 last year, while 9,000 flights were delayed by more than three hours, compared to 6,800 last year.
Around 73% of flights were on time, compared with 76% in 2022 and 81% in 2019.
There were 33,700 flights cancelled, compared with 26,600 last year, while 10,800 flights, which made up 1% of all total flights, were delayed by more than three hours, up from 9,500 last year.
Air traffic authority Eurocontrol previously warned that delays could continue into the northern hemisphere summer, especially if strikes keep going.