FR 3813 then IB 435 at Madrid
Bologna → Madrid → Bilbao
Timetable, Madrid time
21:35FR 3813 from Bologna at the gate
15:50IB 435 to Bilbao leaves the gatealso LA 1567, VY 5007, AT 5343, AV 6050, QR 6914, BA 7138, AA 8800
18 h 15 apart on the timetable, overnight
IB 435 leaves 18 h 15 after FR 3813 arrives on the timetable: more than half a day, so not a connection we count.