EC 1009 then IB 5376 at Barcelona
Basel → Barcelona → Firenze
Timetable, Barcelona time
19:45EC 1009 from Basel at the gate
18:45IB 5376 to Firenze leaves the gatealso LL 5376, VY 6076
23 h apart on the timetable, overnight
IB 5376 leaves 23 h after EC 1009 arrives on the timetable: more than half a day, so not a connection we count.