FR 1977 then FR 558 at Dublin
Riga → Dublin → Manchester
Timetable, Dublin time
09:20FR 1977 from Riga at the gate
22:00FR 558 to Manchester leaves the gate
12 h 40 apart on the timetable
FR 558 leaves 12 h 40 after FR 1977 arrives on the timetable: more than half a day, so not a connection we count.