FR 776 then IB 5484 at Barcelona
Venezia → Barcelona → Istanbul
Timetable, Barcelona time
17:40FR 776 from Venezia at the gate
17:05IB 5484 to Istanbul leaves the gatealso LL 5484, VY 8612
23 h 25 apart on the timetable, overnight
IB 5484 leaves 23 h 25 after FR 776 arrives on the timetable: more than half a day, so not a connection we count.