FR 2972 then FR 120 at Dublin
Kaunas → Dublin → London Gatwick
Timetable, Dublin time
23:10FR 2972 from Kaunas at the gate
16:55FR 120 to London Gatwick leaves the gate
17 h 45 apart on the timetable, overnight
FR 120 leaves 17 h 45 after FR 2972 arrives on the timetable: more than half a day, so not a connection we count.