FR 5975 then FR 1957 at Manchester
Dubrovnik → Manchester → Dublin
Timetable, Manchester time
07:55FR 5975 from Dubrovnik at the gate
21:05FR 1957 to Dublin leaves the gate
13 h 10 apart on the timetable
FR 1957 leaves 13 h 10 after FR 5975 arrives on the timetable: more than half a day, so not a connection we count.