Analysis of information sources in references of the Wikipedia article "Air route authority between the United States and China" in English language version.
The (U.S.) Department of Transportation cited that United's Washington-Beijing proposal would fill the critical service gap between the Washington, D.C. metropolitan area and China, provide the greatest increase in capacity, and noted that the Washington, D.C. metropolitan area is the largest city in the proceeding lacking any non-stop service to China
{{cite web}}: CS1 maint: archived copy as title (link)The (U.S.) Department of Transportation cited that United's Washington-Beijing proposal would fill the critical service gap between the Washington, D.C. metropolitan area and China, provide the greatest increase in capacity, and noted that the Washington, D.C. metropolitan area is the largest city in the proceeding lacking any non-stop service to China
{{cite web}}: CS1 maint: archived copy as title (link)