FR 6921 then KL 1520 at Barcelona
Dublin → Barcelona → Amsterdam
Timetable, Barcelona time
21:40FR 6921 from Dublin at the gate
19:55KL 1520 to Amsterdam leaves the gate
22 h 15 apart on the timetable, overnight
KL 1520 leaves 22 h 15 after FR 6921 arrives on the timetable: more than half a day, so not a connection we count.