FR 3977 then VY 1476 at Barcelona
Dublin → Barcelona → Bilbao
Timetable, Barcelona time
21:10FR 3977 from Dublin at the gate
17:40VY 1476 to Bilbao leaves the gatealso IB 5176, LL 5176
20 h 30 apart on the timetable, overnight
VY 1476 leaves 20 h 30 after FR 3977 arrives on the timetable: more than half a day, so not a connection we count.