KL 1957 then GQ 670 at Athens
Amsterdam → Athens → Istanbul
Timetable, Athens time
01:20KL 1957 from Amsterdam at the gate
19:15GQ 670 to Istanbul leaves the gate
17 h 55 apart on the timetable
GQ 670 leaves 17 h 55 after KL 1957 arrives on the timetable: more than half a day, so not a connection we count.