FR 3977 then FR 3180 at Barcelona
Dublin → Barcelona → Rome
Timetable, Barcelona time
19:05FR 3977 from Dublin at the gate
07:55FR 3180 to Rome leaves the gate
12 h 50 apart on the timetable, overnight
FR 3180 leaves 12 h 50 after FR 3977 arrives on the timetable: more than half a day, so not a connection we count.