IB 5953 then SN 3704 at Barcelona
Salerno → Barcelona → Brussels
Timetable, Barcelona time
00:30IB 5953 from Salerno at the gate
17:40SN 3704 to Brussels leaves the gate
17 h 10 apart on the timetable
SN 3704 leaves 17 h 10 after IB 5953 arrives on the timetable: more than half a day, so not a connection we count.