AF 7503 then RO 384 at Charles de Gaulle
Nantes → Paris → Bucharest
Timetable, Paris time
17:15AF 7503 from Nantes at the gate
16:20RO 384 to Bucharest leaves the gate
23 h 05 apart on the timetable, overnight
RO 384 leaves 23 h 05 after AF 7503 arrives on the timetable: more than half a day, so not a connection we count.