TP 1929 then VY 6503 at Lisbon
Porto → Lisbon → Bilbao
Timetable, Lisbon time
15:30TP 1929 from Porto at the gate
13:50VY 6503 to Bilbao leaves the gate
22 h 20 apart on the timetable, overnight
VY 6503 leaves 22 h 20 after TP 1929 arrives on the timetable: more than half a day, so not a connection we count.