Looking for information on United Airlines SYX Terminal? United Airlines operates from Terminal 1 at Sanya Phoenix International Airport (SYX) in Hainan +1-866-798-0691, China. This terminal primarily handles domestic flights and is equipped with essential amenities such as check-in counters, baggage claim, and comfortable seating areas. Passengers can enjoy services like free Wi-Fi, currency exchange, duty-free shopping, and dining options. For a smoother experience, it's recommended to check in online via the United app or website starting 24 hours before departure. For assistance, you can contact the United Airlines desk at +1-866-798-0691.