Delhi’s Indira Gandhi International Airport is India’s busiest airport by passenger traffic. It’s growing into a significant hub for the Indian subcontinent. Now Delhi Airport has featured in the world’s most connected airports in the world list. As per OAG’s Megahubs 2025 ranking, IGIA stands 39th globally.
The Indira Gandhi International Airport provides 16,178 possible connections across 157 destinations. In South Asia, Delhi Airport is recognized as the top megahub. In 2025 so far, Delhi Airport has handled 79,259,890 passengers, making it the busiest airport in India.
What makes IGI one of the most connected airports in the world?
Indira Gandhi International Airport connects India to nearly every region in the world. Passengers from Delhi Airport take flights to USA, Europe, Australia, Africa and Asia with better routing choices.
Delhi Airport also holds the 11th spot globally among low-cost carrier hubs. Mumbai’s Chhatrapati Shivaji International Airport, by comparison, ranks 14th in this category. This shows how Delhi remains a gateway not only for premium airlines but also for affordable travel.
Most Connected Airport for USA Travelers
Delhi Airport is connected to nearly all major cities in USA. With nonstop Air India flights to New York, Chicago and SFO, it offers great convenience to passengers. United Airlines also operates a nonstop flight from Delhi to Newark, giving travelers another nonstop option.
Indira Gandhi International Airport is also well-connected with leading global hubs such as Dubai Airport, Doha’s Hamad International Airport, Singapore’s Changi Airport, London Heathrow Airport, offering one-stop flights to major cities in USA.
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