BA 1349 then EK 30 at Heathrow
Saint Helier → London → Dubai
Timetable, London time
16:20BA 1349 from Saint Helier at the gate
15:50EK 30 to Dubai leaves the gate
23 h 30 apart on the timetable, overnight
EK 30 leaves 23 h 30 after BA 1349 arrives on the timetable: more than half a day, so not a connection we count.