IB 5939 then IB 5952 at Barcelona
Marseille → Barcelona → Salerno
Timetable, Barcelona time
15:30IB 5939 from Marseille at the gatealso LL 5939, VY 8133
07:10IB 5952 to Salerno leaves the gatealso LL 5952, VY 8358
15 h 40 apart on the timetable, overnight
IB 5952 leaves 15 h 40 after IB 5939 arrives on the timetable: more than half a day, so not a connection we count.