United Airlines operates from Schiphol Airport (AMS) in Amsterdam United Airlines AMS Terminal flies to destinations within the United States as well as international destinations. The United Airlines check-in counters are in the main terminal. Self-check-in kiosks are available for quicker processing. Lounges, shops, and restaurants are available for passengers at the airport. Security procedures are easy to follow; however, it is best to arrive early for international flights. With its seamless connections to major cities worldwide, AMS serves as a convenient hub for United Airlines passengers.