FR 344 then FR 9689 at Dublin
London Gatwick → Dublin → Kaunas
Timetable, Dublin time
17:30FR 344 from London Gatwick at the gate
15:05FR 9689 to Kaunas leaves the gate
21 h 35 apart on the timetable, overnight
FR 9689 leaves 21 h 35 after FR 344 arrives on the timetable: more than half a day, so not a connection we count.