I find it funny when people say CX uses a different tactic out of LHR offering multiple departure times rather than large aircraft. The following aircraft belonging to EK depart LHR daily.
EK8 A380 at 0840
EK2 A380 at 1415
EK30 A380 at 1700
EK4 A380 at 2040
EK6 A380 at 2215