IB 5355 then LA 5754 at Barcelona
Milan → Barcelona → Alicante
Timetable, Barcelona time
14:55IB 5355 from Milan at the gatealso LL 5355, VY 6043
12:40LA 5754 to Alicante leaves the gate
21 h 45 apart on the timetable, overnight
LA 5754 leaves 21 h 45 after IB 5355 arrives on the timetable: more than half a day, so not a connection we count.