What is the biggest airport in the US?

The biggest airport in the U.S. by land area is **Denver International Airport (DEN)**, which covers over 53 square miles. However, the busiest airport by passenger traffic is typically **Hartsfield-Jackson Atlanta International Airport (ATL)**. While LAX is the second busiest airport in the U.S., it does not rank highest in terms of acreage, serving as the major international gateway to the Los Angeles region.

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