BA 1370 then FR 555 at Manchester
London Heathrow → Manchester → Dublin
Timetable, Manchester time
15:15BA 1370 from London Heathrow at the gate
14:45FR 555 to Dublin leaves the gate
23 h 30 apart on the timetable, overnight
FR 555 leaves 23 h 30 after BA 1370 arrives on the timetable: more than half a day, so not a connection we count.