BA 315 then BA 352 at Heathrow
Paris Charles de Gaulle → London → Nice
Timetable, London time
18:40BA 315 from Paris Charles de Gaulle at the gate
18:05BA 352 to Nice leaves the gate
23 h 25 apart on the timetable, overnight
BA 352 leaves 23 h 25 after BA 315 arrives on the timetable: more than half a day, so not a connection we count.