IndiGo

InterGlobe Aviation Limited, doing business as IndiGo, is an Indian airline headquartered in Gurgaon. It is the largest airline in India by passengers carried and fleet size, with a 65.2% domestic market share as of July 2025. It is the second largest Asian airline,^{[citation needed]} and one of the largest in the world in terms of passengers carried, with more than 31.9 million passengers carried in the fourth quarter of 2025. As of June 2025^[update], IndiGo operates over 2,200 daily flights to 127 destinations – 91 domestic and 36 international. It operates cargo services under its subsidiary, IndiGo CarGo. Its primary hub is at the Indira Gandhi International Airport, Delhi.

The airline was established as a private company by Rahul Bhatia of InterGlobe Enterprises—an Indian multinational conglomerate based in Gurugram— and Rakesh Gangwal in 2005. It took delivery of its first aircraft in July 2006 and commenced operations a month later, on 4 August 2006. The airline became the largest Indian carrier by passenger market share in December 2012. The company went public in October 2015. IndiGo was ranked the 15th most punctual airline globally in 2022 by OAG. It is also the 6th busiest airline in the world, as per data from RadarBox.

IndiGo was founded in 2005 as a private company by Rahul Bhatia of InterGlobe Enterprises and Rakesh Gangwal, a United States–based expatriate Indian. InterGlobe had a 51.12% stake in IndiGo, while 47.88% was held by Gangwal's Virginia-based company, Caelum Investments. IndiGo placed a firm order for 100 Airbus A320-200 aircraft in June 2005 with plans to begin operations in mid-2006. The airline took delivery of its first aircraft on 28 July 2006, nearly a year after placing the initial order. It commenced operations on 4 August 2006 with a service from New Delhi to Imphal via Guwahati. By the end of 2006, the airline had six aircraft, and nine more were acquired in 2007.

In April 2007, IndiGo had crossed the 1 million-passenger mark.

In April 2009, IndiGo crossed the 10 million-passenger mark and received delivery of its 25th aircraft.

In December 2010, IndiGo replaced the then state-run carrier Air India, as the third largest airline in India, behind Kingfisher Airlines and Jet Airways with a passenger market share of 17.3%.

In 2011, IndiGo placed an order for 180 Airbus A320 aircraft in a deal worth US$15 billion. In January 2011, after completing five years of operations, the airline was permitted to launch international flights. Also, in terms of market share, the company became the largest domestic carrier in India in this month. In December 2011, the DGCA expressed reservations that the rapid expansion could impact passenger safety.

In February 2012, IndiGo took delivery of its 50th aircraft, less than six years after it began operations. For the quarter ending March 2012, IndiGo was the most profitable airline in India and became the second largest airline in India in terms of passenger market share. On 17 August 2012, IndiGo became the largest airline in India in terms of market share surpassing Jet Airways, six years after commencing operations. In December 2012, IndiGo crossed the 50 million-passenger mark.