Denver International Airport (DEN) was ranked among the best airports in the world in 2016 according to a worldwide customer survey and was honored at the Skytrax World Airport Awards. DEN ranks as the second largest airport in the world by size, the sixth-busiest airport in the United States and the 19th-busiest airport in the world, handling more than 54 million passengers annually. With the April 22, 2016 opening of the University of Colorado A Line commuter rail to Union Station, DEN became one of only a handful of US airports with a train to the downtown center.

In the World Airport Awards, Denver ranked in the Top 10 for the following categories:

-Best Airports with 50 million+ Passengers: ranked 9th, making DEN the highest rated large American airport

-Best Airport Staff in North America: ranked 3rd

-Best Regional Airport in North America: ranked 1st

-Best Domestic Airport: ranked 2nd, one of only 2 U.S. airports on the list

-Best Airports in North America: ranked 2nd behind Vancouver

-World’s Best Regional Airport: ranked 3rd, one of only 2 U.S. airports on the list