Hartsfield-Jackson International Airport, opened on September 15, 1926, has the biggest domestic traffic in the United States and is the world's busiest air terminal, as it is a transfer airport. Internationally, it operates with destinations in Canada, Mexico, Central America, the Caribbean, South America and Europe.
Official Website: atlanta-airport.com
Number of Terminals - 2 - Domestic Terminal and Maynard Holbrook Jackson Jr. International Terminal. Open 24 hours a day and linked through an automated people mover (Plane Train) that takes 5 minutes.
Annual passenger traffic: More than 101 million passengers went through it in 2015.
Tel: +1 404 530 7300 / 800 897 1910. Information counters in the public areas of both terminals and the Plane Train stations, available from 8:15 am to 5:00 pm. Assistance staff is also on hand throughout the airport.