FR 2972 then FR 666 at Dublin
Kaunas → Dublin → Birmingham (UK)
Timetable, Dublin time
23:10FR 2972 from Kaunas at the gate
12:15FR 666 to Birmingham (UK) leaves the gate
13 h 05 apart on the timetable, overnight
FR 666 leaves 13 h 05 after FR 2972 arrives on the timetable: more than half a day, so not a connection we count.