LL 5107 then FR 878 at Barcelona
Prague → Barcelona → Venezia
Timetable, Barcelona time
13:15LL 5107 from Prague at the gate
08:30FR 878 to Venezia leaves the gate
19 h 15 apart on the timetable, overnight
FR 878 leaves 19 h 15 after LL 5107 arrives on the timetable: more than half a day, so not a connection we count.