IB 5229 then LA 5765 at Barcelona
Tenerife North → Barcelona → Firenze
Timetable, Barcelona time
15:00IB 5229 from Tenerife North at the gate
12:45LA 5765 to Firenze leaves the gate
21 h 45 apart on the timetable, overnight
LA 5765 leaves 21 h 45 after IB 5229 arrives on the timetable: more than half a day, so not a connection we count.