DY 5511 then KL 1520 at Barcelona
Copenhagen → Barcelona → Amsterdam
Timetable, Barcelona time
22:45DY 5511 from Copenhagen at the gate
19:55KL 1520 to Amsterdam leaves the gate
21 h 10 apart on the timetable, overnight
KL 1520 leaves 21 h 10 after DY 5511 arrives on the timetable: more than half a day, so not a connection we count.