SN 3703 then FR 3976 at Barcelona
Brussels → Barcelona → Dublin
Timetable, Barcelona time
16:50SN 3703 from Brussels at the gate
12:55FR 3976 to Dublin leaves the gate
20 h 05 apart on the timetable, overnight
FR 3976 leaves 20 h 05 after SN 3703 arrives on the timetable: more than half a day, so not a connection we count.