BA 549 then BA 832 at Heathrow
Rome → London → Dublin
Timetable, London time
14:05BA 549 from Rome at the gate
13:35BA 832 to Dublin leaves the gate
23 h 30 apart on the timetable, overnight
BA 832 leaves 23 h 30 after BA 549 arrives on the timetable: more than half a day, so not a connection we count.