FR 3801 then IB 5374 at Barcelona
Birmingham (UK) → Barcelona → Firenze
Timetable, Barcelona time
15:35FR 3801 from Birmingham (UK) at the gate
12:45IB 5374 to Firenze leaves the gatealso LL 5374, VY 6074
21 h 10 apart on the timetable, overnight
IB 5374 leaves 21 h 10 after FR 3801 arrives on the timetable: more than half a day, so not a connection we count.