LS 1337 then W9 5378 at Barcelona
Birmingham (UK) → Barcelona → London Luton
Timetable, Barcelona time
19:00LS 1337 from Birmingham (UK) at the gate
16:10W9 5378 to London Luton leaves the gate
21 h 10 apart on the timetable, overnight
W9 5378 leaves 21 h 10 after LS 1337 arrives on the timetable: more than half a day, so not a connection we count.