BA 314 then U2 3814 at Charles de Gaulle
London Heathrow → Paris → Milan
Timetable, Paris time
17:25BA 314 from London Heathrow at the gate
08:35U2 3814 to Milan leaves the gate
15 h 10 apart on the timetable, overnight
U2 3814 leaves 15 h 10 after BA 314 arrives on the timetable: more than half a day, so not a connection we count.