Top 10 busiest international flight paths in 2026: BOM-DEL ranked in domestic rankings

Hong Kong to Manila (MNL), in eighth place with 366,000 seats, reflects an impressive 25 per cent increase in airline capacity, making it the fastest-growing route in the top 10.

Meanwhile, there are two routes in the Middle East at the top (Cairo–Jeddah and Dubai–Riyadh, with Cairo (CAI) to Jeddah (JED) retaining second place with over 522,000 seats, and recording a strong growth of 12 per cent.

Seoul Incheon (ICN) to Tokyo Narita (NRT) has moved into third place with over 498,000 seats, up nine per cent compared to January 2026.

Top 10 Busiest International Flight Routes in January 2026:

Top 10 Busiest Domestic Flight Routes in January 2026:

OAG further noted that the Mumbai-Delhi route (BOM-DEL) ranks sixth among the world’s busiest domestic flight routes, carrying 704,747 passengers in January 2026, and making it the busiest Indian flight route.

Ranking Methodology:

The busiest air routes are identified based on the highest number of scheduled airline seats available during the current month. This data includes flights operating in both directions on each route and is obtained from the OAG Schedules Analyser during the first week of every month. The figures represent the most recent complete calendar month and cover the busiest domestic and international flight routes in their respective categories.

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