BA 365 then BA 81 at Heathrow
Marseille → London → Accra
Timetable, London time
13:10BA 365 from Marseille at the gate
12:55BA 81 to Accra leaves the gate
23 h 45 apart on the timetable, overnight
BA 81 leaves 23 h 45 after BA 365 arrives on the timetable: more than half a day, so not a connection we count.