AA 8762 then IB 429 at Madrid
Valencia → Madrid → Bilbao
Timetable, Madrid time
08:05AA 8762 from Valencia at the gate
07:30IB 429 to Bilbao leaves the gatealso VY 5014, LA 5414, AV 6110, DT 6448, BA 7136, QR 8098, AA 8618
23 h 25 apart on the timetable, overnight
IB 429 leaves 23 h 25 after AA 8762 arrives on the timetable: more than half a day, so not a connection we count.