DY 5511 then BA 487 at Barcelona
Copenhagen → Barcelona → London Heathrow
Timetable, Barcelona time
22:45DY 5511 from Copenhagen at the gate
18:20BA 487 to London Heathrow leaves the gate
19 h 35 apart on the timetable, overnight
BA 487 leaves 19 h 35 after DY 5511 arrives on the timetable: more than half a day, so not a connection we count.