QR 3615 then VY 1478 at Barcelona
Catania → Barcelona → Bilbao
Timetable, Barcelona time
22:35QR 3615 from Catania at the gatealso IB 5803, LL 5803, VY 6119
19:50VY 1478 to Bilbao leaves the gatealso IB 5178, LL 5178
21 h 15 apart on the timetable, overnight
VY 1478 leaves 21 h 15 after QR 3615 arrives on the timetable: more than half a day, so not a connection we count.