QR 3579 then IB 410 at Barcelona
Seville → Barcelona → Madrid
Timetable, Barcelona time
15:50QR 3579 from Seville 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
20 h 40 apart on the timetable, overnight
IB 410 leaves 20 h 40 after QR 3579 arrives on the timetable: more than half a day, so not a connection we count.