SN 3752 then LX 799 at Brussels
Valencia → Brussels → Geneva
Timetable, Brussels time
23:45SN 3752 from Valencia at the gate
21:15LX 799 to Geneva leaves the gate
21 h 30 apart on the timetable, overnight
LX 799 leaves 21 h 30 after SN 3752 arrives on the timetable: more than half a day, so not a connection we count.