IB 5131 then EC 7151 at Barcelona
Alicante → Barcelona → Milan
Timetable, Barcelona time
14:30IB 5131 from Alicante at the gate
10:30EC 7151 to Milan leaves the gate
20 h apart on the timetable, overnight
EC 7151 leaves 20 h after IB 5131 arrives on the timetable: more than half a day, so not a connection we count.