IB 5375 then IB 5462 at Barcelona
Firenze → Barcelona → Bordeaux
Timetable, Barcelona time
17:55IB 5375 from Firenze at the gatealso LL 5375, VY 6075
16:40IB 5462 to Bordeaux leaves the gate
22 h 45 apart on the timetable, overnight
IB 5462 leaves 22 h 45 after IB 5375 arrives on the timetable: more than half a day, so not a connection we count.