SN 3618 then SN 3751 at Brussels
Nice → Brussels → Valencia
Timetable, Brussels time
15:30SN 3618 from Nice at the gate
10:30SN 3751 to Valencia leaves the gate
19 h apart on the timetable, overnight
SN 3751 leaves 19 h after SN 3618 arrives on the timetable: more than half a day, so not a connection we count.