EI 3391 then FR 812 at Dublin
Leeds → Dublin → Edinburgh
Timetable, Dublin time
09:50EI 3391 from Leeds at the gate
07:30FR 812 to Edinburgh leaves the gate
21 h 40 apart on the timetable, overnight
FR 812 leaves 21 h 40 after EI 3391 arrives on the timetable: more than half a day, so not a connection we count.