LX 352 then BA 592 at Heathrow
Geneva → London → Venezia
Timetable, London time
08:15LX 352 from Geneva at the gate
07:25BA 592 to Venezia leaves the gate
23 h 10 apart on the timetable, overnight
BA 592 leaves 23 h 10 after LX 352 arrives on the timetable: more than half a day, so not a connection we count.