EC 3749 then LL 5130 at Barcelona
Milan → Barcelona → Alicante
Timetable, Barcelona time
21:30EC 3749 from Milan at the gate
15:35LL 5130 to Alicante leaves the gate
18 h 05 apart on the timetable, overnight
LL 5130 leaves 18 h 05 after EC 3749 arrives on the timetable: more than half a day, so not a connection we count.