BA 747 then VS 117 at Heathrow
Geneva → London → Miami
Timetable, London time
21:25BA 747 from Geneva at the gate
15:35VS 117 to Miami leaves the gate
18 h 10 apart on the timetable, overnight
VS 117 leaves 18 h 10 after BA 747 arrives on the timetable: more than half a day, so not a connection we count.