BA 1370 then FR 1557 at Manchester
London Heathrow → Manchester → Dublin
Timetable, Manchester time
15:35BA 1370 from London Heathrow at the gate
14:25FR 1557 to Dublin leaves the gate
22 h 50 apart on the timetable, overnight
FR 1557 leaves 22 h 50 after BA 1370 arrives on the timetable: more than half a day, so not a connection we count.