QR 3744 then IB 5388 at Barcelona
Milan → Barcelona → Bari
Timetable, Barcelona time
16:45QR 3744 from Milan at the gatealso IB 5357, LL 5357, VY 6045
11:40IB 5388 to Bari leaves the gatealso LL 5388, VY 6112
18 h 55 apart on the timetable, overnight
IB 5388 leaves 18 h 55 after QR 3744 arrives on the timetable: more than half a day, so not a connection we count.