FR 1987 then FR 808 at Dublin
Nantes → Dublin → Edinburgh
Timetable, Dublin time
09:30FR 1987 from Nantes at the gate
21:50FR 808 to Edinburgh leaves the gate
12 h 20 apart on the timetable
FR 808 leaves 12 h 20 after FR 1987 arrives on the timetable: more than half a day, so not a connection we count.