LH 918 then BA 352 at Heathrow
Frankfurt am Main → London → Nice
Timetable, London time
18:45LH 918 from Frankfurt am Main at the gate
18:05BA 352 to Nice leaves the gate
23 h 20 apart on the timetable, overnight
BA 352 leaves 23 h 20 after LH 918 arrives on the timetable: more than half a day, so not a connection we count.