EC 7154 then FR 6394 at Barcelona
Milan → Barcelona → Dublin
Timetable, Barcelona time
23:15EC 7154 from Milan at the gate
15:00FR 6394 to Dublin leaves the gate
15 h 45 apart on the timetable, overnight
FR 6394 leaves 15 h 45 after EC 7154 arrives on the timetable: more than half a day, so not a connection we count.