FR 3977 then LL 5468 at Barcelona
Dublin → Barcelona → Lyon
Timetable, Barcelona time
21:10FR 3977 from Dublin at the gate
16:30LL 5468 to Lyon leaves the gate
19 h 20 apart on the timetable, overnight
LL 5468 leaves 19 h 20 after FR 3977 arrives on the timetable: more than half a day, so not a connection we count.