VY 1387 then U2 2326 at Barcelona
Seville → Barcelona → London Luton
Timetable, Barcelona time
15:00VY 1387 from Seville at the gatealso IB 5151, LL 5151
10:20U2 2326 to London Luton leaves the gate
19 h 20 apart on the timetable, overnight
U2 2326 leaves 19 h 20 after VY 1387 arrives on the timetable: more than half a day, so not a connection we count.