CA 937 then BA 750 at Heathrow
Beijing Capital → London → Geneva
Timetable, London time
17:50CA 937 from Beijing Capital at the gate
17:35BA 750 to Geneva leaves the gate
23 h 45 apart on the timetable, overnight
BA 750 leaves 23 h 45 after CA 937 arrives on the timetable: more than half a day, so not a connection we count.