FR 6921 then IB 5462 at Barcelona
Dublin → Barcelona → Bordeaux
Timetable, Barcelona time
21:40FR 6921 from Dublin at the gate
16:40IB 5462 to Bordeaux leaves the gate
19 h apart on the timetable, overnight
IB 5462 leaves 19 h after FR 6921 arrives on the timetable: more than half a day, so not a connection we count.