Dissolve stress and increase energy by exercising in the airport gym. A growing number of airports now contain full-scale workout areas.
Power-walk around the entire airport if there is no gym. Store luggage in terminal lockers, lace up the walking shoes and get the blood pumping.
Surf the Web and answer e-mail at an Internet kiosk to make the time fly. Keep in mind that you'll be charged for the time you spend online.
Purchase souvenirs and presents for friends and family at the airport's gift shops and retail stores.
Get a shoeshine. Many larger airports feature hallway shine specialists to buff and polish your shoes.
Enjoy a drink in the airport bar if there is one. In U.S. airports, the day's big sporting event will probably be blaring on the television.
Bring a good book or a stack of your favorite magazines. Airport time can constitute some of the most peaceful reading time you will ever get.