EC 3749 then VY 1626 at Barcelona
Milan → Barcelona → Santiago de Compostela
Timetable, Barcelona time
21:30EC 3749 from Milan at the gate
10:30VY 1626 to Santiago de Compostela leaves the gatealso IB 5205, LL 5205
13 h apart on the timetable, overnight
VY 1626 leaves 13 h after EC 3749 arrives on the timetable: more than half a day, so not a connection we count.