A3 452 then U2 4541 at Charles de Gaulle
Heraklion → Paris → Milan
Timetable, Paris time
10:45A3 452 from Heraklion at the gate
11:30U2 4541 to Milan leaves the gate
45 min apart on the timetable
Charles de Gaulle’s board gives an arrival time for only about 51% of its flights, so many days show no gate time.
The last days
A3 452 and U2 4541 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.