IB 518 then W4 6314 at Madrid
Santiago de Compostela → Madrid → Milan
Timetable, Madrid time
10:25IB 518 from Santiago de Compostela at the gate
23:10W4 6314 to Milan leaves the gate
12 h 45 apart on the timetable
W4 6314 leaves 12 h 45 after IB 518 arrives on the timetable: more than half a day, so not a connection we count.