BA 1349 then BA 442 at Heathrow
Saint Helier → London → Amsterdam
Timetable, London time
16:20BA 1349 from Saint Helier at the gate
15:20BA 442 to Amsterdam leaves the gate
23 h apart on the timetable, overnight
BA 442 leaves 23 h after BA 1349 arrives on the timetable: more than half a day, so not a connection we count.