FR 1987 then FR 495 at Dublin
Nantes → Dublin → Madrid
Timetable, Dublin time
09:30FR 1987 from Nantes at the gate
05:55FR 495 to Madrid leaves the gate
20 h 25 apart on the timetable, overnight
FR 495 leaves 20 h 25 after FR 1987 arrives on the timetable: more than half a day, so not a connection we count.