IB 5137 then FR 3976 at Barcelona
Alicante → Barcelona → Dublin
Timetable, Barcelona time
18:25IB 5137 from Alicante at the gate
17:15FR 3976 to Dublin leaves the gate
22 h 50 apart on the timetable, overnight
FR 3976 leaves 22 h 50 after IB 5137 arrives on the timetable: more than half a day, so not a connection we count.