IB 5131 then W4 6316 at Barcelona
Alicante → Barcelona → Milan
Timetable, Barcelona time
14:30IB 5131 from Alicante at the gate
13:10W4 6316 to Milan leaves the gate
22 h 40 apart on the timetable, overnight
W4 6316 leaves 22 h 40 after IB 5131 arrives on the timetable: more than half a day, so not a connection we count.