VY 1237 then QR 3518 at Barcelona
Stuttgart → Barcelona → Bilbao
Timetable, Barcelona time
13:35VY 1237 from Stuttgart at the gate
12:40QR 3518 to Bilbao leaves the gate
23 h 05 apart on the timetable, overnight
QR 3518 leaves 23 h 05 after VY 1237 arrives on the timetable: more than half a day, so not a connection we count.