FR 3977 then KL 1518 at Barcelona
Dublin → Barcelona → Amsterdam
Timetable, Barcelona time
21:10FR 3977 from Dublin at the gate
17:25KL 1518 to Amsterdam leaves the gate
20 h 15 apart on the timetable, overnight
KL 1518 leaves 20 h 15 after FR 3977 arrives on the timetable: more than half a day, so not a connection we count.