FR 7140 then FR 294 at Dublin
Vilnius → Dublin → London Stansted
Timetable, Dublin time
17:35FR 7140 from Vilnius at the gate
12:20FR 294 to London Stansted leaves the gate
18 h 45 apart on the timetable, overnight
FR 294 leaves 18 h 45 after FR 7140 arrives on the timetable: more than half a day, so not a connection we count.