U2 8404 then U2 819 at Gatwick
Paris Charles de Gaulle → London → Belfast International
Timetable, London time
17:05U2 8404 from Paris Charles de Gaulle at the gate
15:40U2 819 to Belfast International leaves the gate
22 h 35 apart on the timetable, overnight
U2 819 leaves 22 h 35 after U2 8404 arrives on the timetable: more than half a day, so not a connection we count.