FR 5055 then FR 494 at Madrid
Luxembourg → Madrid → Dublin
Timetable, Madrid time
20:35FR 5055 from Luxembourg at the gate
18:25FR 494 to Dublin leaves the gate
21 h 50 apart on the timetable, overnight
FR 494 leaves 21 h 50 after FR 5055 arrives on the timetable: more than half a day, so not a connection we count.