KL 1952 then U2 7881 at Schiphol
Athens → Amsterdam → Fuerteventura
Timetable, Amsterdam time
08:40KL 1952 from Athens at the gate
07:50U2 7881 to Fuerteventura leaves the gate
23 h 10 apart on the timetable, overnight
U2 7881 leaves 23 h 10 after KL 1952 arrives on the timetable: more than half a day, so not a connection we count.