DY 5510 then SK 1712 at Copenhagen
Barcelona → Copenhagen → Helsinki
Timetable, Copenhagen time
19:15DY 5510 from Barcelona at the gate
12:45SK 1712 to Helsinki leaves the gate
17 h 30 apart on the timetable, overnight
SK 1712 leaves 17 h 30 after DY 5510 arrives on the timetable: more than half a day, so not a connection we count.