BA 315 then BA 774 at Heathrow
Paris Charles de Gaulle → London → Oslo
Timetable, London time
19:00BA 315 from Paris Charles de Gaulle at the gate
18:55BA 774 to Oslo leaves the gate
23 h 55 apart on the timetable, overnight
BA 774 leaves 23 h 55 after BA 315 arrives on the timetable: more than half a day, so not a connection we count.