BA 835 then BA 352 at Heathrow
Dublin → London → Nice
Timetable, London time
19:15BA 835 from Dublin at the gate
18:05BA 352 to Nice leaves the gate
22 h 50 apart on the timetable, overnight
BA 352 leaves 22 h 50 after BA 835 arrives on the timetable: more than half a day, so not a connection we count.