IB 5477 then QR 3518 at Barcelona
Jerez de la Forntera → Barcelona → Bilbao
Timetable, Barcelona time
16:15IB 5477 from Jerez de la Forntera at the gate
13:25QR 3518 to Bilbao leaves the gate
21 h 10 apart on the timetable, overnight
QR 3518 leaves 21 h 10 after IB 5477 arrives on the timetable: more than half a day, so not a connection we count.