Charlotte Douglas International Airport (CLT) is generally considered one of the easier major hubs to navigate, primarily because of its "single terminal" design. Unlike airports with multiple disconnected buildings that require trains (like Atlanta or DFW), CLT has one central building from which all five concourses (A, B, C, D, and E) extend like spokes on a wheel. This means you can walk between any two gates without leaving the secure area. However, it is the sixth busiest airport in the world for aircraft movements in 2026, meaning it can feel extremely crowded and "tight" in the narrow concourse hallways. While the layout is simple, the sheer volume of people can make the 15-minute walk from Concourse A to Concourse E feel stressful if you have a tight connection. Ongoing "Destination CLT" renovations have significantly improved the ticketing and baggage claim areas, adding much-needed space and modern amenities.