TK 1831 then U2 3818 at Charles de Gaulle
Istanbul → Paris → Milan
Timetable, Paris time
10:55TK 1831 from Istanbul at the gate
17:10U2 3818 to Milan leaves the gate
6 h 15 apart on the timetable
Charles de Gaulle’s board gives an arrival time for only about 53% of its flights, so many days show no gate time.
The last days
TK 1831 and U2 3818 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.