India, Dec. 17 -- IndiGo has emerged as India's largest international airline in terms of air traffic amid a flights crisis that's scuppered its domestic operations.

The airline operated by InterGlobe Aviation Ltd. carried 41.36 lakh passengers to and from India in July-September 2025, according to data on the website of the Directorate General of Civil Aviation. In comparision, Air India and Air India Express together had an international traffic of 40.99 lakh.

The rankings have flipped since Air India has reduced number of international flights following a plane crash in June killed all but one passengers on board. That created a gap, which IndiGo quickly filled in by increasing flights on key international routes.

On 12 June, Air In...