FR 835 then W9 5380 at Barcelona
Vilnius → Barcelona → London Luton
Timetable, Barcelona time
15:30FR 835 from Vilnius at the gate
12:40W9 5380 to London Luton leaves the gate
21 h 10 apart on the timetable, overnight
W9 5380 leaves 21 h 10 after FR 835 arrives on the timetable: more than half a day, so not a connection we count.