QR 3692 then IB 410 at Barcelona
Rome → Barcelona → Madrid
Timetable, Barcelona time
16:40QR 3692 from Rome at the gate
12:30IB 410 to Madrid leaves the gatealso LA 1625, CX 1822, LL 3010, VY 5117, QR 5376, AV 6025, AA 8708
19 h 50 apart on the timetable, overnight
IB 410 leaves 19 h 50 after QR 3692 arrives on the timetable: more than half a day, so not a connection we count.