IB 411 then IB 5146 at Barcelona
Madrid → Barcelona → Seville
Timetable, Barcelona time
12:45IB 411 from Madrid at the gatealso CX 1839, LL 3011, VY 5031, QR 5095, AV 6089, BA 7130, AA 8613
09:10IB 5146 to Seville leaves the gate
20 h 25 apart on the timetable, overnight
IB 5146 leaves 20 h 25 after IB 411 arrives on the timetable: more than half a day, so not a connection we count.