FR 3977 then EY 4309 at Barcelona
Dublin → Barcelona → Madrid
Timetable, Barcelona time
21:10FR 3977 from Dublin at the gate
20:30EY 4309 to Madrid leaves the gatealso MU 4969, KU 6078, KE 6654, AM 6809, UX 7708
23 h 20 apart on the timetable, overnight
EY 4309 leaves 23 h 20 after FR 3977 arrives on the timetable: more than half a day, so not a connection we count.