AF 175 then U2 3812 at Charles de Gaulle
Mexico City → Paris → Milan
Timetable, Paris time
16:35AF 175 from Mexico City at the gate
10:45U2 3812 to Milan leaves the gate
18 h 10 apart on the timetable, overnight
U2 3812 leaves 18 h 10 after AF 175 arrives on the timetable: more than half a day, so not a connection we count.