FR 6875 then LA 5765 at Barcelona
Dublin → Barcelona → Firenze
Timetable, Barcelona time
19:20FR 6875 from Dublin at the gate
16:45LA 5765 to Firenze leaves the gate
21 h 25 apart on the timetable, overnight
LA 5765 leaves 21 h 25 after FR 6875 arrives on the timetable: more than half a day, so not a connection we count.