AF 51 then U2 3812 at Charles de Gaulle
Washington → Paris → Milan
Timetable, Paris time
08:10AF 51 from Washington at the gate
21:40U2 3812 to Milan leaves the gate
13 h 30 apart on the timetable
U2 3812 leaves 13 h 30 after AF 51 arrives on the timetable: more than half a day, so not a connection we count.