FR 1949 then FR 7078 at Dublin
Luxembourg → Dublin → Porto
Timetable, Dublin time
14:35FR 1949 from Luxembourg at the gate
11:25FR 7078 to Porto leaves the gate
20 h 50 apart on the timetable, overnight
FR 7078 leaves 20 h 50 after FR 1949 arrives on the timetable: more than half a day, so not a connection we count.