Cancun International Airport's United Airlines CUN Terminal which is designated for international travel, is home to United Airlines. Duty-free shopping, food options, and self-service check-in kiosks are just a few of the attractions available at this contemporary airport. Lounges are also available for passengers to have a more comfortable pre-flight experience. Clear signage and seamless connectivity are features of the terminal's architecture, which makes it easy for travelers to traverse. For international flights, United Airlines advises arriving at least three hours early to allow enough time for security and check-in.