AF 1533 then U2 4525 at Charles de Gaulle
Athens → Paris → Nice
Timetable, Paris time
17:10AF 1533 from Athens at the gate
15:45U2 4525 to Nice leaves the gate
22 h 35 apart on the timetable, overnight
U2 4525 leaves 22 h 35 after AF 1533 arrives on the timetable: more than half a day, so not a connection we count.