IB 5881 then QR 3573 at Barcelona
Paris Orly → Barcelona → Cagliari
Timetable, Barcelona time
20:00IB 5881 from Paris Orly at the gatealso LL 5881, VY 8031
11:05QR 3573 to Cagliari leaves the gatealso IB 5798, LL 5798, VY 6114
15 h 05 apart on the timetable, overnight
QR 3573 leaves 15 h 05 after IB 5881 arrives on the timetable: more than half a day, so not a connection we count.