VY 1387 then U2 2324 at Barcelona
Seville → Barcelona → London Luton
Timetable, Barcelona time
14:25VY 1387 from Seville at the gatealso IB 5151, LL 5151
10:20U2 2324 to London Luton leaves the gate
19 h 55 apart on the timetable, overnight
U2 2324 leaves 19 h 55 after VY 1387 arrives on the timetable: more than half a day, so not a connection we count.