FR 1556 then BA 1361 at Manchester
Dublin → Manchester → London Heathrow
Timetable, Manchester time
14:00FR 1556 from Dublin at the gate
09:45BA 1361 to London Heathrow leaves the gate
19 h 45 apart on the timetable, overnight
BA 1361 leaves 19 h 45 after FR 1556 arrives on the timetable: more than half a day, so not a connection we count.