LX 348 then BA 990 at Heathrow
Geneva → London → Berlin
Timetable, London time
16:40LX 348 from Geneva at the gate
16:00BA 990 to Berlin leaves the gate
23 h 20 apart on the timetable, overnight
BA 990 leaves 23 h 20 after LX 348 arrives on the timetable: more than half a day, so not a connection we count.