IB 2630 then QR 3573 at Barcelona
Miami → Barcelona → Cagliari
Timetable, Barcelona time
12:40IB 2630 from Miami at the gatealso LL 2630, AY 5400, QR 8001, AA 8550
11:05QR 3573 to Cagliari leaves the gate
22 h 25 apart on the timetable, overnight
QR 3573 leaves 22 h 25 after IB 2630 arrives on the timetable: more than half a day, so not a connection we count.