EC 7154 then VY 1478 at Barcelona
Milan → Barcelona → Bilbao
Timetable, Barcelona time
23:15EC 7154 from Milan at the gate
19:50VY 1478 to Bilbao leaves the gatealso IB 5178, LL 5178
20 h 35 apart on the timetable, overnight
VY 1478 leaves 20 h 35 after EC 7154 arrives on the timetable: more than half a day, so not a connection we count.