Chennai International Airport is serving its services to the number of the cities like Chennai (Madras), Tamil Nadu, and its metropolitan area, India. It is the 4th busiest airport in India in terms of total passenger traffic after airports at Delhi, Mumbai, and Bengaluru. It is the 49th busiest airport in Asia.

It handles the 400 aircraft per day. It was the 1st airport in India to have international and domestic terminals located adjacent to each other. This airport is the regional headquarters of the Airports Authority of India for South Indian states.