IB 5129 then QR 3528 at Barcelona
Alicante → Barcelona → Bilbao
Timetable, Barcelona time
08:05IB 5129 from Alicante at the gate
21:35QR 3528 to Bilbao leaves the gate
13 h 30 apart on the timetable
QR 3528 leaves 13 h 30 after IB 5129 arrives on the timetable: more than half a day, so not a connection we count.