IB 5337 then VY 1084 at Barcelona
Rome → Barcelona → Basel
Timetable, Barcelona time
14:25IB 5337 from Rome at the gatealso LL 5337, VY 6007
08:45VY 1084 to Basel leaves the gatealso QR 3771, IB 5036, LL 5036
18 h 20 apart on the timetable, overnight
VY 1084 leaves 18 h 20 after IB 5337 arrives on the timetable: more than half a day, so not a connection we count.