EW 2520 then KL 2678 at Barcelona
Stuttgart → Barcelona → Amsterdam
Timetable, Barcelona time
14:25EW 2520 from Stuttgart at the gate
10:05KL 2678 to Amsterdam leaves the gate
19 h 40 apart on the timetable, overnight
KL 2678 leaves 19 h 40 after EW 2520 arrives on the timetable: more than half a day, so not a connection we count.