IB 5375 then IB 5238 at Barcelona
Firenze → Barcelona → Tenerife North
Timetable, Barcelona time
17:55IB 5375 from Firenze at the gatealso LL 5375, VY 6075
17:20IB 5238 to Tenerife North leaves the gate
23 h 25 apart on the timetable, overnight
IB 5238 leaves 23 h 25 after IB 5375 arrives on the timetable: more than half a day, so not a connection we count.