FR 3141 then FR 6920 at Barcelona
Luxembourg → Barcelona → Dublin
Timetable, Barcelona time
11:10FR 3141 from Luxembourg at the gate
06:20FR 6920 to Dublin leaves the gate
19 h 10 apart on the timetable, overnight
FR 6920 leaves 19 h 10 after FR 3141 arrives on the timetable: more than half a day, so not a connection we count.