KL 1672 then KL 461 at Schiphol
Catania → Amsterdam → Bucharest
Timetable, Amsterdam time
19:15KL 1672 from Catania at the gate
16:40KL 461 to Bucharest leaves the gate
21 h 25 apart on the timetable, overnight
KL 461 leaves 21 h 25 after KL 1672 arrives on the timetable: more than half a day, so not a connection we count.