FR 797 then FR 1556 at Dublin
Riga → Dublin → Manchester
Timetable, Dublin time
00:45FR 797 from Riga at the gate
13:00FR 1556 to Manchester leaves the gate
12 h 15 apart on the timetable
FR 1556 leaves 12 h 15 after FR 797 arrives on the timetable: more than half a day, so not a connection we count.