FR 879 then QR 3669 at Barcelona
Venezia → Barcelona → Nice
Timetable, Barcelona time
22:30FR 879 from Venezia at the gate
21:20QR 3669 to Nice leaves the gate
22 h 50 apart on the timetable, overnight
QR 3669 leaves 22 h 50 after FR 879 arrives on the timetable: more than half a day, so not a connection we count.