S4 124 then VY 6503 at Lisbon
Ponta Delgada → Lisbon → Bilbao
Timetable, Lisbon time
16:45S4 124 from Ponta Delgada at the gate
13:50VY 6503 to Bilbao leaves the gate
21 h 05 apart on the timetable, overnight
VY 6503 leaves 21 h 05 after S4 124 arrives on the timetable: more than half a day, so not a connection we count.