On October 23, local time, U.S. Secretary of Transportation Sean Duffy warned that as the government's "shutdown" continues, there may be more flight delays and cancellations in the United States.

During the government shutdown, some 13,000 air traffic controllers and about 50,000 Transportation Safety Administration officials werely forced to work unpaid.Daffey said last week that flight delays caused by the absence of air traffic controllers accounted for 53 percent of the total delay, compared to just 5 percent under normal circumstances.

At present, the federal government "stop" into the fourth week, "stop" the negative impact on all aspects of society further highlighted, especially in the field of aviation, the shortage of personnel caused serious flight delays, some airports suspended operations, raising concerns about aviation safety.