IB 5371 then FR 878 at Barcelona
Firenze → Barcelona → Venezia
Timetable, Barcelona time
11:35IB 5371 from Firenze at the gate
08:30FR 878 to Venezia leaves the gate
20 h 55 apart on the timetable, overnight
FR 878 leaves 20 h 55 after IB 5371 arrives on the timetable: more than half a day, so not a connection we count.