EC 8064 then U2 8405 at Gatwick
Barcelona → London → Paris Charles de Gaulle
Timetable, London time
14:15EC 8064 from Barcelona at the gate
13:40U2 8405 to Paris Charles de Gaulle leaves the gate
23 h 25 apart on the timetable, overnight
U2 8405 leaves 23 h 25 after EC 8064 arrives on the timetable: more than half a day, so not a connection we count.