BA 585 then SK 1516 at Heathrow
Milan Linate → London → Copenhagen
Timetable, London time
21:30BA 585 from Milan Linate at the gate
18:40SK 1516 to Copenhagen leaves the gate
21 h 10 apart on the timetable, overnight
SK 1516 leaves 21 h 10 after BA 585 arrives on the timetable: more than half a day, so not a connection we count.