BA 1349 then BA 281 at Heathrow
Saint Helier → London → Los Angeles
Timetable, London time
16:20BA 1349 from Saint Helier at the gate
12:30BA 281 to Los Angeles leaves the gate
20 h 10 apart on the timetable, overnight
BA 281 leaves 20 h 10 after BA 1349 arrives on the timetable: more than half a day, so not a connection we count.