IB 442 then EC 1704 at Madrid
Bilbao → Madrid → Nice
Timetable, Madrid time
07:55IB 442 from Bilbao at the gatealso CX 1838, VY 5011, BT 5157, LA 5420, AY 5616, AV 6009, QR 6958, PC 7913, AA 8827
21:20EC 1704 to Nice leaves the gate
13 h 25 apart on the timetable
EC 1704 leaves 13 h 25 after IB 442 arrives on the timetable: more than half a day, so not a connection we count.