AF 1423 then U2 4501 at Charles de Gaulle
Munich → Paris → Nice
Timetable, Paris time
11:55AF 1423 from Munich at the gate
06:55U2 4501 to Nice leaves the gate
19 h apart on the timetable, overnight
U2 4501 leaves 19 h after AF 1423 arrives on the timetable: more than half a day, so not a connection we count.