BA 308 then U2 3814 at Charles de Gaulle
London Heathrow → Paris → Milan
Timetable, Paris time
14:15BA 308 from London Heathrow at the gate
08:35U2 3814 to Milan leaves the gate
18 h 20 apart on the timetable, overnight
U2 3814 leaves 18 h 20 after BA 308 arrives on the timetable: more than half a day, so not a connection we count.