FR 6927 then AZ 1475 at Fiumicino
Barcelona → Rome → Venezia
Timetable, Rome time
18:40FR 6927 from Barcelona at the gate
13:20AZ 1475 to Venezia leaves the gate
18 h 40 apart on the timetable, overnight
AZ 1475 leaves 18 h 40 after FR 6927 arrives on the timetable: more than half a day, so not a connection we count.