Hartsfield-Jackson Atlanta International Airport
World's busiest airports by passenger traffic
The world's busiest airports by passenger traffic are measured by number of total passengers . One passenger is described as someone who arrives in, departs from, or transfers through the airport on a given day...
by passenger traffic and number of landings and take-offs since 2005, serving 89 million passengers per year. The airport is the primary hub
An airline hub is an airport that an airline uses as a transfer point to get passengers to their intended destination. It is part of a hub and spoke model, where travelers moving between airports not served by direct flights change planes en route to their destinations...
of AirTran Airways
AirTran Airways, a subsidiary of the Dallas, Texas-based Southwest Airlines, is an American low-cost airline headquartered in Orlando, Florida. AirTran operates over 650 daily flights , primarily in the eastern and midwestern United States...
, Delta Air Lines
Delta Air Lines
Delta Air Lines, Inc. is a major airline based in the United States and headquartered in Atlanta, Georgia. The airline operates an extensive domestic and international network serving all continents except Antarctica. Delta and its subsidiaries operate over 4,000 flights every day...
, and Delta Connection
Delta Connection is the name under which a number of individually owned regional airlines and one wholly owned regional carrier operate short and medium haul routes in association with Delta Air Lines Inc...
partner Atlantic Southeast Airlines
Atlantic Southeast Airlines
Atlantic Southeast Airlines is an American airline based in the A-Tech Center in College Park, Georgia, flying to 144 destinations as a Delta Connection carrier and, as of February 2010, commenced service as a United Express carrier. It is a wholly owned subsidiary of SkyWest, Inc. ASA operates...
; the Delta hub is the world's largest airline hub.