IB 434 then W4 7545 at Madrid
Bilbao → Madrid → Seville
Timetable, Madrid time
14:45IB 434 from Bilbao at the gatealso VY 5013, AT 5347, LA 5397, AV 6175, BA 7086, AA 8767
13:55W4 7545 to Seville leaves the gate
23 h 10 apart on the timetable, overnight
W4 7545 leaves 23 h 10 after IB 434 arrives on the timetable: more than half a day, so not a connection we count.