FR 456 then FR 2703 at Dublin
Leeds → Dublin → Seville
Timetable, Dublin time
20:35FR 456 from Leeds at the gate
14:10FR 2703 to Seville leaves the gate
17 h 35 apart on the timetable, overnight
FR 2703 leaves 17 h 35 after FR 456 arrives on the timetable: more than half a day, so not a connection we count.