IB 533 then VY 6503 at Lisbon
Madrid → Lisbon → Bilbao
Timetable, Lisbon time
16:05IB 533 from Madrid at the gate
13:50VY 6503 to Bilbao leaves the gate
21 h 45 apart on the timetable, overnight
VY 6503 leaves 21 h 45 after IB 533 arrives on the timetable: more than half a day, so not a connection we count.