BA 1347 then BA 1306 at Heathrow
Saint Helier → London → Aberdeen
Timetable, London time
11:50BA 1347 from Saint Helier at the gate
11:25BA 1306 to Aberdeen leaves the gate
23 h 35 apart on the timetable, overnight
BA 1306 leaves 23 h 35 after BA 1347 arrives on the timetable: more than half a day, so not a connection we count.