EC 7152 then LA 5773 at Barcelona
Milan → Barcelona → Lisbon
Timetable, Barcelona time
14:25EC 7152 from Milan at the gate
12:15LA 5773 to Lisbon leaves the gate
21 h 50 apart on the timetable, overnight
LA 5773 leaves 21 h 50 after EC 7152 arrives on the timetable: more than half a day, so not a connection we count.