EC 8382 then U2 819 at Gatwick
Bordeaux → London → Belfast International
Timetable, London time
11:25EC 8382 from Bordeaux at the gate
09:05U2 819 to Belfast International leaves the gate
21 h 40 apart on the timetable, overnight
U2 819 leaves 21 h 40 after EC 8382 arrives on the timetable: more than half a day, so not a connection we count.