- Selecting United Airlines XIY Terminal guarantees a smooth and cozy journey. With self-service kiosks for convenience and effective check-in counters, the terminal is contemporary, spotless, and simple to use. Wait times are reduced via efficient security checks and prompt, dependable baggage processing. In addition to cozy seating places, travelers can take use of a wide range of culinary and retail alternatives. XIY is a great option for hassle-free travel because of its effective facilities and United Airlines' professional service.