EI 3393 then FR 2971 at Dublin
Leeds → Dublin → Kaunas
Timetable, Dublin time
14:30EI 3393 from Leeds at the gate
12:10FR 2971 to Kaunas leaves the gate
21 h 40 apart on the timetable, overnight
FR 2971 leaves 21 h 40 after EI 3393 arrives on the timetable: more than half a day, so not a connection we count.