OR 1660 then KL 1957 at Schiphol
Gran Canaria → Amsterdam → Athens
Timetable, Amsterdam time
21:55OR 1660 from Gran Canaria at the gate
21:10KL 1957 to Athens leaves the gate
23 h 15 apart on the timetable, overnight
KL 1957 leaves 23 h 15 after OR 1660 arrives on the timetable: more than half a day, so not a connection we count.