FR 157 then FR 261 at Dublin
Leeds → Dublin → Alicante
Timetable, Dublin time
21:55FR 157 from Leeds at the gate
16:35FR 261 to Alicante leaves the gate
18 h 40 apart on the timetable, overnight
FR 261 leaves 18 h 40 after FR 157 arrives on the timetable: more than half a day, so not a connection we count.