SK 2774 then SK 1635 at Copenhagen
Porto → Copenhagen → Frankfurt am Main
Timetable, Copenhagen time
22:05SK 2774 from Porto at the gate
18:15SK 1635 to Frankfurt am Main leaves the gate
20 h 10 apart on the timetable, overnight
SK 1635 leaves 20 h 10 after SK 2774 arrives on the timetable: more than half a day, so not a connection we count.