FR 3976 then FR 9456 at Dublin
Barcelona → Dublin → Bologna
Timetable, Dublin time
21:25FR 3976 from Barcelona at the gate
13:10FR 9456 to Bologna leaves the gate
15 h 45 apart on the timetable, overnight
FR 9456 leaves 15 h 45 after FR 3976 arrives on the timetable: more than half a day, so not a connection we count.