BA 425 then SK 1508 at Heathrow
Málaga → London → Copenhagen
Timetable, London time
21:50BA 425 from Málaga at the gate
19:30SK 1508 to Copenhagen leaves the gate
21 h 40 apart on the timetable, overnight
SK 1508 leaves 21 h 40 after BA 425 arrives on the timetable: more than half a day, so not a connection we count.