PY 994 then KL 1523 at Schiphol
Zandery → Amsterdam → Bilbao
Timetable, Amsterdam time
12:00PY 994 from Zandery at the gate
09:15KL 1523 to Bilbao leaves the gate
21 h 15 apart on the timetable, overnight
KL 1523 leaves 21 h 15 after PY 994 arrives on the timetable: more than half a day, so not a connection we count.