VS 479 then BA 1346 at Heathrow
Cape Town → London → Saint Helier
Timetable, London time
06:50VS 479 from Cape Town at the gate
06:15BA 1346 to Saint Helier leaves the gate
23 h 25 apart on the timetable, overnight
BA 1346 leaves 23 h 25 after VS 479 arrives on the timetable: more than half a day, so not a connection we count.