Bandar Udara Internasional Charlotte Douglas (Indonesian Wikipedia)

"Charlotte Faces Loss of Hub Status and Potential for Big Service Cuts". The Charlotte Observer. Diarsipkan dari versi asli tanggal 2008-02-21. Diakses tanggal 2008-01-01. "Because Delta's main hub, Atlanta Hartsfield-Jackson International Airport, is only 240 mil (390 km) from Charlotte, a US Airways-Delta merger is a particular worry for Charlotte, which has nonstop service to 135 cities -- a high number for a city its size."

anna.aero

"Passenger statistics for CLT". Diarsipkan dari versi asli tanggal 2010-07-02. Diakses tanggal 2012-02-11.

"Passenger statistics for CLT". Diarsipkan dari versi asli tanggal 2010-07-02. Diakses tanggal 2012-02-11.
"Charlotte Faces Loss of Hub Status and Potential for Big Service Cuts". The Charlotte Observer. Diarsipkan dari versi asli tanggal 2008-02-21. Diakses tanggal 2008-01-01. "Because Delta's main hub, Atlanta Hartsfield-Jackson International Airport, is only 240 mil (390 km) from Charlotte, a US Airways-Delta merger is a particular worry for Charlotte, which has nonstop service to 135 cities -- a high number for a city its size."