FR 262 then FR 6921 at Dublin
Alicante → Dublin → Barcelona
Timetable, Dublin time
13:45FR 262 from Alicante at the gate
12:50FR 6921 to Barcelona leaves the gate
23 h 05 apart on the timetable, overnight
FR 6921 leaves 23 h 05 after FR 262 arrives on the timetable: more than half a day, so not a connection we count.