article_snippet: Chicago O'Hare International Airport is still the busiest cargo airport in the world, transporting more than 4.4 million metric tons of cargo in 2014.
article_snippet: Memphis, Tennessee, home to FedEx, came in second place with 4.2 million metric tons and Shanghai was third with nearly 3.2 million metric tons.
article_snippet: Rounding out the top 10 were cargo airports in Incheon, South Korea; Anchorage, Alaska; Dubai; Louisville, Kentucky; Tokyo (Narita); Frankfurt, Germany; and Taipei, Taiwan.
highlights_snippet: Hong Kong kept the title of busiest cargo airport .