Core Viewpoint - The opening of the direct international flight route between Sanya and Cheongju marks a significant development in enhancing travel connectivity between China and South Korea, providing more convenient options for travelers [1] Group 1: Flight Details - The new route is operated by Dewei Airlines using a B737-800 aircraft, with two flights per week [1] - The inbound flight TW633 departs from Cheongju every Monday and Friday at 19:25, arriving in Sanya at 00:35 the next day; the outbound flight TW634 leaves Sanya every Tuesday and Saturday at 01:35, arriving in Cheongju at 05:40 [1] Group 2: Impact on Tourism - This direct flight ends the previous lack of direct connections between Sanya and Cheongju, offering a more efficient travel option for Chinese and Korean tourists [1] - Dewei Airlines plans to increase the frequency of flights between Sanya and Seoul (Incheon) starting November 19, further strengthening the air connectivity between Hainan and South Korea [1] - The enhanced flight services are expected to boost the influx of Korean tourists to Hainan, injecting new vitality into tourism cooperation between the two regions [1]