U2 8634 then U2 8709 at Gatwick
Hamburg → London → Marrakesh
Timetable, London time
12:50U2 8634 from Hamburg at the gate
10:05U2 8709 to Marrakesh leaves the gate
21 h 15 apart on the timetable, overnight
U2 8709 leaves 21 h 15 after U2 8634 arrives on the timetable: more than half a day, so not a connection we count.