BA 1487 then BA 752 at Heathrow
Glasgow → London → Geneva
Timetable, London time
20:05BA 1487 from Glasgow at the gate
19:25BA 752 to Geneva leaves the gate
23 h 20 apart on the timetable, overnight
BA 752 leaves 23 h 20 after BA 1487 arrives on the timetable: more than half a day, so not a connection we count.