FR 879 then QR 3771 at Barcelona
Venezia → Barcelona → Porto
Timetable, Barcelona time
22:30FR 879 from Venezia at the gate
18:35QR 3771 to Porto leaves the gatealso IB 5094, LL 5094
20 h 05 apart on the timetable, overnight
QR 3771 leaves 20 h 05 after FR 879 arrives on the timetable: more than half a day, so not a connection we count.