FR 2331 then FR 3976 at Barcelona
Nador → Barcelona → Dublin
Timetable, Barcelona time
15:10FR 2331 from Nador at the gate
06:20FR 3976 to Dublin leaves the gate
15 h 10 apart on the timetable, overnight
FR 3976 leaves 15 h 10 after FR 2331 arrives on the timetable: more than half a day, so not a connection we count.