IB 5809 then QR 3594 at Barcelona
Palermo → Barcelona → Firenze
Timetable, Barcelona time
14:25IB 5809 from Palermo at the gatealso LL 5809, VY 6127
13:50QR 3594 to Firenze leaves the gate
23 h 25 apart on the timetable, overnight
QR 3594 leaves 23 h 25 after IB 5809 arrives on the timetable: more than half a day, so not a connection we count.