IB 5953 then QR 3547 at Barcelona
Salerno → Barcelona → Santiago de Compostela
Timetable, Barcelona time
00:30IB 5953 from Salerno at the gate
21:15QR 3547 to Santiago de Compostela leaves the gate
20 h 45 apart on the timetable
QR 3547 leaves 20 h 45 after IB 5953 arrives on the timetable: more than half a day, so not a connection we count.