IB 5375 then QR 3646 at Barcelona
Firenze → Barcelona → Jerez de la Forntera
Timetable, Barcelona time
17:55IB 5375 from Firenze at the gatealso LL 5375, VY 6075
10:55QR 3646 to Jerez de la Forntera leaves the gate
17 h apart on the timetable, overnight
QR 3646 leaves 17 h after IB 5375 arrives on the timetable: more than half a day, so not a connection we count.