EC 1703 then KL 1504 at Madrid
Nice → Madrid → Amsterdam
Timetable, Madrid time
20:40EC 1703 from Nice at the gate
13:05KL 1504 to Amsterdam leaves the gatealso SK 6743
16 h 25 apart on the timetable, overnight
KL 1504 leaves 16 h 25 after EC 1703 arrives on the timetable: more than half a day, so not a connection we count.