IB 407 then IB 5146 at Barcelona
Madrid → Barcelona → Seville
Timetable, Barcelona time
09:45IB 407 from Madrid at the gatealso IB 407S, LA 1521, LL 3007, VY 5024, QR 5090, BA 7128, AA 8687
09:10IB 5146 to Seville leaves the gate
23 h 25 apart on the timetable, overnight
IB 5146 leaves 23 h 25 after IB 407 arrives on the timetable: more than half a day, so not a connection we count.