EC 8064 then U2 8649 at Gatwick
Barcelona → London → Düsseldorf
Timetable, London time
14:15EC 8064 from Barcelona at the gate
13:20U2 8649 to Düsseldorf leaves the gate
23 h 05 apart on the timetable, overnight
U2 8649 leaves 23 h 05 after EC 8064 arrives on the timetable: more than half a day, so not a connection we count.