DY 3659 then SK 987 at Copenhagen
Barcelona → Copenhagen → Seoul
Timetable, Copenhagen time
23:45DY 3659 from Barcelona at the gate
23:20SK 987 to Seoul leaves the gate
23 h 35 apart on the timetable, overnight
SK 987 leaves 23 h 35 after DY 3659 arrives on the timetable: more than half a day, so not a connection we count.