IB 5353 then FR 6920 at Barcelona
Milan → Barcelona → Dublin
Timetable, Barcelona time
11:55IB 5353 from Milan at the gate
06:20FR 6920 to Dublin leaves the gate
18 h 25 apart on the timetable, overnight
FR 6920 leaves 18 h 25 after IB 5353 arrives on the timetable: more than half a day, so not a connection we count.