FR 5485 then IB 441 at Madrid
Porto → Madrid → Bilbao
Timetable, Madrid time
22:45FR 5485 from Porto at the gate
22:10IB 441 to Bilbao leaves the gatealso LA 1512, CX 1872, VY 5202, AV 6033, CZ 7314
23 h 25 apart on the timetable, overnight
IB 441 leaves 23 h 25 after FR 5485 arrives on the timetable: more than half a day, so not a connection we count.