EI 3393 then FR 812 at Dublin
Leeds → Dublin → Edinburgh
Timetable, Dublin time
14:30EI 3393 from Leeds at the gate
12:25FR 812 to Edinburgh leaves the gate
21 h 55 apart on the timetable, overnight
FR 812 leaves 21 h 55 after EI 3393 arrives on the timetable: more than half a day, so not a connection we count.