SK 658 then SK 2773 at Copenhagen
Stuttgart → Copenhagen → Porto
Timetable, Copenhagen time
11:55SK 658 from Stuttgart at the gate
09:35SK 2773 to Porto leaves the gate
21 h 40 apart on the timetable, overnight
SK 2773 leaves 21 h 40 after SK 658 arrives on the timetable: more than half a day, so not a connection we count.