United Airlines largely services United Airlines Luxembourg Office  the region online and through its global network of customer care channels, hence it does not maintain a permanent presence in Luxembourg. Through its website or foreign contact centers, United Airlines provides services to consumers in Luxembourg, such as booking flights, making reservations, and providing customer support. Furthermore, travelers using United from adjacent major airports in Europe, such as Brussels or Frankfurt, have access to the airline's services and can travel to a variety of US and international locations. Additionally, travelers can plan their trips using the United Airlines website or mobile app.