EC 7154 then LA 5748 at Barcelona
Milan → Barcelona → Lanzarote
Timetable, Barcelona time
23:15EC 7154 from Milan at the gate
16:45LA 5748 to Lanzarote leaves the gate
17 h 30 apart on the timetable, overnight
LA 5748 leaves 17 h 30 after EC 7154 arrives on the timetable: more than half a day, so not a connection we count.