Chennai International Airport is the primary airport serving the South Indian metropolis of Chennai. It is the fourth busiest airport in India in terms of passenger traffic after Delhi, Mumbai and Bangalore. In 2014-15, the airport handled over 14 million passengers. The airport serves as the main hub for SpiceJet, Jet Airways, Air Costa and Blue Dart Aviation.
Madras (Chennai) had one of the first airports in India and was the final destination of Air India’s first flight from Bombay (Mumbai) in 1954. Although the first aircraft landed in Chennai Airport in 1932, the usage was confined only to military operations during World War II.
Source: Wikipedia