Recently, a large number of flights in the United States have been cancelled or delayed due to the shortage of staff at the Federal Aviation Administration.

According to a report by flight tracking data company FlightAware, as of 12:00 EST on July 2, 595 flights in the United States had been cancelled that day, and 2,456 flights in and out of the United States had been delayed.

  AAA expects a lot of tourist travel over the July 4 Independence Day holiday weekend; 47.9 million people will travel from the 1st to the 4th, of which about 3.55 million are expected to travel by air.

(CCTV reporter Liu Xu)