The ranking is part of the annual World Airport Awards 2025, based on passenger satisfaction surveys across various categories, including check-in, arrivals, transfers, shopping, security, immigration, and departure processes.
In recent years, Noi Bai Airport has improved its services by adding phone charging stations, providing free Wi-Fi, and upgrading facilities to better accommodate passengers with disabilities.
The airport's T2 international terminal was expanded at a cost of VND5 trillion (US$196.4 million), with additional check-in counters and scanners installed to boost its capacity to 10–15 million passengers annually.
Da Nang Airport, located about three kilometers from the city center, recently introduced an automatic immigration gate system to ease the workload for immigration officers, streamline procedures for passengers, and enhance security.
Changi Airport in Singapore was named the world's best airport this year, followed by Hamad International Airport in Qatar, Tokyo International Airport in Japan, and Incheon International Airport in South Korea.