DY 5510 then SK 1755 at Copenhagen
Barcelona → Copenhagen → Poznan
Timetable, Copenhagen time
19:15DY 5510 from Barcelona at the gate
12:10SK 1755 to Poznan leaves the gate
16 h 55 apart on the timetable, overnight
SK 1755 leaves 16 h 55 after DY 5510 arrives on the timetable: more than half a day, so not a connection we count.