LL 5475 then FR 878 at Barcelona
Nice → Barcelona → Venezia
Timetable, Barcelona time
10:15LL 5475 from Nice at the gate
08:30FR 878 to Venezia leaves the gate
22 h 15 apart on the timetable, overnight
FR 878 leaves 22 h 15 after LL 5475 arrives on the timetable: more than half a day, so not a connection we count.