IB 5371 then IB 5246 at Barcelona
Firenze → Barcelona → Ibiza
Timetable, Barcelona time
11:35IB 5371 from Firenze at the gate
11:05IB 5246 to Ibiza leaves the gate
23 h 30 apart on the timetable, overnight
IB 5246 leaves 23 h 30 after IB 5371 arrives on the timetable: more than half a day, so not a connection we count.