FR 1526 then IB 5170 at Barcelona
Valletta → Barcelona → Bilbao
Timetable, Barcelona time
15:55FR 1526 from Valletta at the gate
15:35IB 5170 to Bilbao leaves the gate
23 h 40 apart on the timetable, overnight
IB 5170 leaves 23 h 40 after FR 1526 arrives on the timetable: more than half a day, so not a connection we count.