IB 589 then U2 3812 at Charles de Gaulle
Madrid → Paris → Milan
Timetable, Paris time
17:55IB 589 from Madrid at the gate
10:45U2 3812 to Milan leaves the gate
16 h 50 apart on the timetable, overnight
U2 3812 leaves 16 h 50 after IB 589 arrives on the timetable: more than half a day, so not a connection we count.