Hanoi, Aug. 4 -- The Hanoi-Ho Chi Minh City air route continues to rank among the world's top 10 busiest domestic routes, underscoring the high operational frequency and heavy service demand on this trunk line connecting the nation's two largest cities, Noi Bai International Airport has reported.

During the first half of 2025, Noi Bai airport handled 16.5 million passenger movements and recorded over 100,000 takeoffs and landings. Notably, international terminal T2 processed over 7 million international passengers in the reviewed period, beyond its current annual design capacity of 10 million. The terminal is currently undergoing phased expansion to raise its capacity to 15 million passengers per year.

Despite mounting operational press...