QR 3522 then U2 2326 at Barcelona
Málaga → Barcelona → London Luton
Timetable, Barcelona time
01:20QR 3522 from Málaga at the gate
20:55U2 2326 to London Luton leaves the gate
19 h 35 apart on the timetable
U2 2326 leaves 19 h 35 after QR 3522 arrives on the timetable: more than half a day, so not a connection we count.