QR 3671 then IB 5116 at Barcelona
Rome → Barcelona → Ljubljana
Timetable, Barcelona time
01:25QR 3671 from Rome at the gatealso LA 5745, IB 5773, LL 5773, VY 6021
17:25IB 5116 to Ljubljana leaves the gatealso LL 5116
16 h apart on the timetable
IB 5116 leaves 16 h after QR 3671 arrives on the timetable: more than half a day, so not a connection we count.