EI 507 then FR 3977 at Dublin
Bordeaux → Dublin → Barcelona
Timetable, Dublin time
16:20EI 507 from Bordeaux at the gate
08:30FR 3977 to Barcelona leaves the gate
16 h 10 apart on the timetable, overnight
FR 3977 leaves 16 h 10 after EI 507 arrives on the timetable: more than half a day, so not a connection we count.