U2 802 then U2 8295 at Gatwick
Belfast City → London → VNC
Timetable, London time
20:55U2 802 from Belfast City at the gate
16:40U2 8295 to VNC leaves the gate
19 h 45 apart on the timetable, overnight
U2 8295 leaves 19 h 45 after U2 802 arrives on the timetable: more than half a day, so not a connection we count.