IB 5171 then FR 12 at Barcelona
Bilbao → Barcelona → Vienna
Timetable, Barcelona time
18:50IB 5171 from Bilbao at the gate
15:00FR 12 to Vienna leaves the gate
20 h 10 apart on the timetable, overnight
FR 12 leaves 20 h 10 after IB 5171 arrives on the timetable: more than half a day, so not a connection we count.