BA 1347 then BA 436 at Heathrow
Saint Helier → London → Amsterdam
Timetable, London time
11:45BA 1347 from Saint Helier at the gate
10:55BA 436 to Amsterdam leaves the gate
23 h 10 apart on the timetable, overnight
BA 436 leaves 23 h 10 after BA 1347 arrives on the timetable: more than half a day, so not a connection we count.