KL 1830 then FR 2335 at Schiphol
Stuttgart → Amsterdam → Málaga
Timetable, Amsterdam time
13:20KL 1830 from Stuttgart at the gate
09:35FR 2335 to Málaga leaves the gate
20 h 15 apart on the timetable, overnight
FR 2335 leaves 20 h 15 after KL 1830 arrives on the timetable: more than half a day, so not a connection we count.