FR 270 then LA 5748 at Barcelona
Milan → Barcelona → Lanzarote
Timetable, Barcelona time
17:10FR 270 from Milan at the gate
16:45LA 5748 to Lanzarote leaves the gate
23 h 35 apart on the timetable, overnight
LA 5748 leaves 23 h 35 after FR 270 arrives on the timetable: more than half a day, so not a connection we count.