IndiGo Airlines

IndiGo Airlines, operating under IATA code 6E and ICAO code IGO, is India’s largest and most prominent low-cost carrier. Founded in 2005 by Rahul Bhatia’s InterGlobe Enterprises and Rakesh Gangwal, the airline began commercial operations in August 2006 with a single aircraft. The founding vision was to offer affordable, punctual, and hassle-free air travel to the Indian masses, capitalizing on the country’s rapidly expanding aviation market. Ownership remains with InterGlobe Aviation Limited, a publicly traded company where the founding families hold significant stakes. IndiGo’s remarkable growth trajectory has seen it become the dominant player in the Indian domestic market, consistently carrying the highest number of passengers annually.

The airline operates an all-Airbus fleet, renowned for its simplicity and cost efficiency. As of 2025, IndiGo’s fleet comprises over 370 aircraft, primarily the Airbus A320neo and A321neo families, with a smaller number of A320ceo and ATR 72-600 turboprops for regional connectivity under its subsidiary code. The A321XLR is also on order for future long-haul expansion. This standardized fleet enables high utilization rates, lower maintenance costs, and streamlined pilot training, all central to IndiGo’s low-cost model. The airline does not offer business class or premium economy; its single-class cabin configuration maximizes seat density and keeps fares competitive.

IndiGo’s primary hub is Indira Gandhi International Airport in Delhi, which serves as its main base of operations. Other major focus cities include Chhatrapati Shivaji Maharaj International Airport in Mumbai, Kempegowda International Airport in Bengaluru, and Rajiv Gandhi International Airport in Hyderabad. The airline also operates secondary bases at Chennai, Kolkata, Ahmedabad, and several other metros. As a point-to-point carrier, IndiGo avoids traditional hub-and-spoke complexities, though Delhi remains critical for its domestic and international connectivity. The airline’s operational model is strictly low-cost, characterized by unbundled fares, ancillary revenue from baggage and seat selection, no complimentary meals, and quick turnaround times. IndiGo is not a member of any global airline alliance, preferring to remain independent and forge bilateral interline agreements when beneficial.

Notable milestones include becoming the first Indian carrier to operate over 1,800 daily flights and achieving the distinction of being the world’s second-largest low-cost carrier by market capitalization in 2019. IndiGo has won numerous awards for punctuality and operational efficiency, including the Skytrax award for Best Low-Cost Airline in Central Asia and India multiple times. The airline also placed the largest ever aircraft order by an Indian carrier in 2019, purchasing 300 A320neo family jets. Its consistent profitability over most years since inception, despite intense competition, underscores its robust business model and management discipline. IndiGo continues to shape India’s aviation landscape, focusing on expansion into smaller cities via its ATR operations while maintaining exceptionally high on-time performance and low cancellation rates.