AF 7507 then U2 4525 at Charles de Gaulle
Nantes → Paris → Nice
Timetable, Paris time
07:15AF 7507 from Nantes at the gate
19:30U2 4525 to Nice leaves the gate
12 h 15 apart on the timetable
U2 4525 leaves 12 h 15 after AF 7507 arrives on the timetable: more than half a day, so not a connection we count.