IB 5387 then IB 6543 at Barcelona
Bologna → Barcelona → São Paulo
Timetable, Barcelona time
11:55IB 5387 from Bologna at the gatealso LL 5387
11:50IB 6543 to São Paulo leaves the gatealso QR 7266, LA 8115, QR 8435
23 h 55 apart on the timetable, overnight
IB 6543 leaves 23 h 55 after IB 5387 arrives on the timetable: more than half a day, so not a connection we count.