BA 1349 then BA 1368 at Heathrow
Saint Helier → London → Manchester
Timetable, London time
16:20BA 1349 from Saint Helier at the gate
13:05BA 1368 to Manchester leaves the gate
20 h 45 apart on the timetable, overnight
BA 1368 leaves 20 h 45 after BA 1349 arrives on the timetable: more than half a day, so not a connection we count.