Indian aviation remains heavily concentrated around IndiGo and Air India

OAG data cited by Mint shows IndiGo holding more than 50% of India’s September airline capacity, with approximately 11.3 million seats. Air India was the second-largest at around 3.2 million seats and 14% market share.

At the same time, both airlines’ capacity was lower year-on-year in September, highlighting how headline passenger demand and available capacity are not always moving in the same direction. India’s Civil Aviation Ministry reported 390,008 departing domestic passengers on 17 September, alongside 108,587 international departures. India’s aviation system