Chicago O'Hare International Airport
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Location: Chicago, Illinois
Airport Code: ORD
O'Hare was the busiest airport in the United States until Atlanta's Hartsfield-Jackson took that title away in the late 1990s. O'Hare is a major connecting airport for destinations in the Midwest and is a hub for United Airlines.
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Los Angeles International Airport
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Location: Los Angeles, California
Airport Code: LAX
Besides being the main airport for travelers visiting L.A., Hollywood, and Southern California, Los Angeles International handles many connections to Hawaii and the West Coast. LAX sees roughly 87 million passengers a year. It is the largest of five airports in the area, including Hollywood Burbank, Long Beach, John Wayne, and Ontario.