FR 6301 then QR 3691 at Barcelona
Sofia → Barcelona → Venezia
Timetable, Barcelona time
23:15FR 6301 from Sofia at the gate
12:40QR 3691 to Venezia leaves the gatealso IB 5382, LL 5382, LA 5793
13 h 25 apart on the timetable, overnight
QR 3691 leaves 13 h 25 after FR 6301 arrives on the timetable: more than half a day, so not a connection we count.