FR 3036 then IB 5170 at Barcelona
Krakow → Barcelona → Bilbao
Timetable, Barcelona time
20:35FR 3036 from Krakow at the gate
15:35IB 5170 to Bilbao leaves the gate
19 h apart on the timetable, overnight
IB 5170 leaves 19 h after FR 3036 arrives on the timetable: more than half a day, so not a connection we count.