BA 807 then BA 169 at Heathrow
Copenhagen → London → Shanghai
Timetable, London time
12:50BA 807 from Copenhagen at the gate
12:25BA 169 to Shanghai leaves the gate
23 h 35 apart on the timetable, overnight
BA 169 leaves 23 h 35 after BA 807 arrives on the timetable: more than half a day, so not a connection we count.