IB 5455 then QR 3578 at Barcelona
Paris Charles de Gaulle → Barcelona → Rome
Timetable, Barcelona time
23:20IB 5455 from Paris Charles de Gaulle at the gate
21:05QR 3578 to Rome leaves the gatealso IB 5772, LL 5772
21 h 45 apart on the timetable, overnight
QR 3578 leaves 21 h 45 after IB 5455 arrives on the timetable: more than half a day, so not a connection we count.