Core Viewpoint - The opening of the Haikou-Hanoi international route by Hainan Airlines marks a significant step in enhancing friendly exchanges and cooperation between China and Vietnam, facilitating economic and cultural interactions [1][2]. Group 1: Route Details - The Haikou-Hanoi route will operate three round-trip flights weekly on Tuesdays, Thursdays, and Sundays [1]. - Departure from Haikou Meilan International Airport is scheduled at 21:30 Beijing time, arriving at Hanoi Noi Bai International Airport at 22:10 local time, with a flight duration of approximately 1 hour and 40 minutes [1]. - The return flight from Hanoi is set to leave at 23:15 local time, arriving back in Haikou at 01:45 Beijing time the next day, with a flight duration of about 1 hour and 30 minutes [1]. Group 2: Hainan Airlines Network - Hainan Airlines, headquartered in Haikou, has established a comprehensive domestic and international route network, including destinations such as Seattle, London, Moscow, and Sydney [2]. - The airline has opened and plans to operate over 70 international and regional round-trip passenger routes from cities like Beijing, Shanghai, and Shenzhen [2]. - Starting February 9, 2024, China will expand visa-free entry for citizens from 59 countries to Hainan for stays of up to 30 days for various purposes, enhancing tourism and business opportunities [2].

Group 1 - Hainan Airlines plans to launch a direct flight route from Haikou to Hanoi starting December 21, 2025, enhancing economic and cultural exchanges between China and Vietnam [1] - The new route will operate three round trips weekly on Tuesdays, Thursdays, and Sundays, with flight durations of approximately 1 hour and 45 minutes for outbound flights and 1 hour and 30 minutes for return flights [1] - Hainan Airlines offers various travel products, including seat selection, prepaid baggage, in-flight upgrades, and business packages to cater to diverse passenger needs [1] Group 2 - Hanoi, as the capital of Vietnam, is a significant international tourism hub, and the new route will provide more convenient travel options for passengers between the two countries [2] - Hainan Free Trade Port is set to officially start operations on December 18, 2025, with Hainan Airlines leveraging its extensive domestic and international route network to establish itself as a regional aviation hub [2] - Hainan Airlines has already opened over 70 international and regional routes from major cities, including Beijing, Shanghai, and Shenzhen, and aims to accelerate the resumption and launch of more international flights [3] Group 3 - Hainan Airlines, recognized as the only SKYTRAX five-star airline in mainland China, emphasizes safety and quality service, contributing to the high-quality development of China's civil aviation and the construction of Hainan Free Trade Port [6]