IB 5375 then QR 3671 at Barcelona
Firenze → Barcelona → Paris Orly
Timetable, Barcelona time
16:55IB 5375 from Firenze at the gatealso LL 5375, VY 6075
15:50QR 3671 to Paris Orly leaves the gatealso IB 5448, LL 5448
22 h 55 apart on the timetable, overnight
QR 3671 leaves 22 h 55 after IB 5375 arrives on the timetable: more than half a day, so not a connection we count.