Delhi Airport has made a significant jump in the latest global airport connectivity rankings. Indira Gandhi International Airport (IGI Airport) now ranks 28th among the world’s most connected international airports in the OAG Megahubs 2026 report. The airport moved up 11 places from No. 39 in 2025, making it the highest-ranked Indian airport in the global list. 

Delhi Airport Moves Up in Global Ranking

Delhi Airport climbed from 39th place in 2025 to 28th in the 2026 OAG Megahubs ranking. OAG studies how easily passengers can connect from one flight to another at major airports around the world. Unlike rankings based only on passenger numbers, the Megahubs list focuses on the number and quality of flight connections.

Delhi Airport Ranks Ninth in Asia-Pacific

Delhi Airport also ranked ninth among Asia-Pacific airports. Several established Asian aviation hubs ranked ahead of Delhi, including  Bangkok, Singapore Changi, Kuala Lumpur, Tokyo Haneda, Seoul Incheon, Shanghai Pudong, Guangzhou and Hong Kong. Delhi’s place among these airports is significant because many Asia-Pacific hubs handle large volumes of international connecting traffic. Its improved position also shows how Indira Gandhi International Airport continues to strengthen its role as a major gateway for travellers flying to and from India.

Delhi Among World’s Top Low-Cost Megahubs

Delhi also performed strongly in OAG’s ranking of airports offering extensive low-cost airline connections. IGI Airport ranked ninth among the world’s low-cost megahubs in 2026. This part of the ranking is particularly relevant to Indian travellers because low-cost airlines operate a large share of flights in the country. A strong low-cost network can give passengers more options when travelling between smaller Indian cities, major metros and international destinations.

IndiGo Plays an Important Role at Delhi Airport

IndiGo has a major presence at Delhi Airport and plays an important role in its low-cost connectivity. According to OAG’s low-cost megahub data, IndiGo accounted for about 40% of low-cost flights considered at Delhi Airport. The airline operates an extensive network from Delhi, connecting the capital with major cities across India as well as several international destinations. This large domestic network can also support connecting passengers. 

A traveller arriving in Delhi from a smaller Indian city, for example, may have more options to connect with another domestic or international flight. Delhi’s combination of full-service and low-cost carriers strengthens its position as an aviation hub.

Why Delhi Airport’s Ranking Matters for Passengers

A higher connectivity ranking can be useful for travellers because it reflects the number of possible onward journeys available through an airport. For Delhi passengers, the growing network can provide more choices when connecting between domestic and international flights. A traveller flying from another Indian city may use Delhi as a connecting point for destinations in Europe, North America, the Middle East, Southeast Asia and other regions.

Likewise, international passengers arriving in Delhi can connect to a large number of cities across India. Better connectivity can also give travellers more flexibility when choosing flight times and connections.

Delhi Airport’s rise in the ranking reflects its growing role in Indian aviation. Its ninth-place position in Asia-Pacific and strong showing among global low-cost megahubs also underline the airport’s expanding connectivity. For passengers, the ranking is not simply about airport size. It reflects how effectively flight schedules allow travellers to reach other destinations through Delhi.

As airlines continue to add routes and frequencies, Indira Gandhi International Airport could play an increasingly important role in connecting Indian cities with international markets.

Travellers planning domestic or international trips through Delhi should continue to check airline schedules and connection times before booking, as flight frequencies and timings can change throughout the year. You can explore Indian Eagle deals for affordable international travel between the USA and India.

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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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