U2 826 then VY 7607 at Gatwick
Belfast International → London → Barcelona
Timetable, London time
16:45U2 826 from Belfast International at the gate
13:00VY 7607 to Barcelona leaves the gate
20 h 15 apart on the timetable, overnight
VY 7607 leaves 20 h 15 after U2 826 arrives on the timetable: more than half a day, so not a connection we count.