SK 502 then SK 2773 at Copenhagen
London Heathrow → Copenhagen → Porto
Timetable, Copenhagen time
13:10SK 502 from London Heathrow at the gate
09:35SK 2773 to Porto leaves the gate
20 h 25 apart on the timetable, overnight
SK 2773 leaves 20 h 25 after SK 502 arrives on the timetable: more than half a day, so not a connection we count.