U2 8446 then U2 8649 at Gatwick
Nantes → London → Düsseldorf
Timetable, London time
11:40U2 8446 from Nantes at the gate
07:35U2 8649 to Düsseldorf leaves the gate
19 h 55 apart on the timetable, overnight
U2 8649 leaves 19 h 55 after U2 8446 arrives on the timetable: more than half a day, so not a connection we count.