FR 6921 then FI 6405 at Barcelona
Dublin → Barcelona → Lisbon
Timetable, Barcelona time
21:40FR 6921 from Dublin at the gate
14:35FI 6405 to Lisbon leaves the gatealso S4 8947
16 h 55 apart on the timetable, overnight
FI 6405 leaves 16 h 55 after FR 6921 arrives on the timetable: more than half a day, so not a connection we count.