IB 2251 then LA 5746 at Barcelona
Melilla → Barcelona → Firenze
Timetable, Barcelona time
12:30IB 2251 from Melilla at the gatealso LL 3103
10:45LA 5746 to Firenze leaves the gate
22 h 15 apart on the timetable, overnight
LA 5746 leaves 22 h 15 after IB 2251 arrives on the timetable: more than half a day, so not a connection we count.