IB 5397 then QR 3577 at Barcelona
London Gatwick → Barcelona → Paris Orly
Timetable, Barcelona time
11:40IB 5397 from London Gatwick at the gatealso LL 5397, VY 7601, BA 8057
09:30QR 3577 to Paris Orly leaves the gate
21 h 50 apart on the timetable, overnight
QR 3577 leaves 21 h 50 after IB 5397 arrives on the timetable: more than half a day, so not a connection we count.