The operator of LOCATION@1 , ORGANIZATION@1 , claims that LOCATION@1 is the `` world 's busiest international airport '' , but it is only the world 's third-busiest by total passenger traffic , after Atlanta-Hartsfield-Jackson and LOCATION@2 , which are also international airports .

LOCATION@1 is also LOCATION@3 's busiest airport for passenger traffic , and handles more international passenger traffic than any other airport in the world .
