Terminal 3 services Emirates flights only (and some FlyDubai) in three concourses,and has a separate departures drop-off for first and business passengers. I’m flying premium economy,so hop out at the general departures area. The terminal is purpose-built for the Boeing 777 and Airbus A380,with an efficient sky-train ferrying passengers to Concourse A and B to board the big mama of all aircraft.
The look