DY 3657 then SK 2777 at Copenhagen
Barcelona → Copenhagen → Athens
Timetable, Copenhagen time
15:30DY 3657 from Barcelona at the gate
14:25SK 2777 to Athens leaves the gate
22 h 55 apart on the timetable, overnight
SK 2777 leaves 22 h 55 after DY 3657 arrives on the timetable: more than half a day, so not a connection we count.