FR 6921 then KL 1518 at Barcelona
Dublin → Barcelona → Amsterdam
Timetable, Barcelona time
21:40FR 6921 from Dublin at the gate
17:25KL 1518 to Amsterdam leaves the gate
19 h 45 apart on the timetable, overnight
KL 1518 leaves 19 h 45 after FR 6921 arrives on the timetable: more than half a day, so not a connection we count.