FR 1174 then FR 557 at Manchester
Porto → Manchester → Dublin
Timetable, Manchester time
15:00FR 1174 from Porto at the gate
06:05FR 557 to Dublin leaves the gate
15 h 05 apart on the timetable, overnight
FR 557 leaves 15 h 05 after FR 1174 arrives on the timetable: more than half a day, so not a connection we count.