BA 813 then BA 990 at Heathrow
Copenhagen → London → Berlin
Timetable, London time
16:55BA 813 from Copenhagen at the gate
16:00BA 990 to Berlin leaves the gate
23 h 05 apart on the timetable, overnight
BA 990 leaves 23 h 05 after BA 813 arrives on the timetable: more than half a day, so not a connection we count.