LA 5798 then LA 5792 at Barcelona
Lisbon → Barcelona → Venezia
Timetable, Barcelona time
23:55LA 5798 from Lisbon at the gate
19:40LA 5792 to Venezia leaves the gate
19 h 45 apart on the timetable, overnight
LA 5792 leaves 19 h 45 after LA 5798 arrives on the timetable: more than half a day, so not a connection we count.