U2 4526 then A3 613 at Charles de Gaulle
Nice → Paris → Athens
Timetable, Paris time
23:15U2 4526 from Nice at the gate
16:50A3 613 to Athens leaves the gate
17 h 35 apart on the timetable, overnight
A3 613 leaves 17 h 35 after U2 4526 arrives on the timetable: more than half a day, so not a connection we count.