BA 1349 then LX 355 at Heathrow
Saint Helier → London → Geneva
Timetable, London time
16:20BA 1349 from Saint Helier at the gate
14:25LX 355 to Geneva leaves the gate
22 h 05 apart on the timetable, overnight
LX 355 leaves 22 h 05 after BA 1349 arrives on the timetable: more than half a day, so not a connection we count.