United Continental Holdings ' ( UAL - Free Report ) wholly owned subsidiary, United Airlines, announced that it will add domestic routes to 10 cities from five of its U.S. hubs—Chicago O'Hare, Newark Liberty, Denver, Washington Dulles and Los Angeles, starting next year. The carrier will offer service from Chicago to El Paso and Wilmington. From Los Angeles, the airline will connect Redmond and Medford. On the other hand, the carrier will connect Denver to Jacksonville, besides connecting New York/Newark with Elmira. Additionally, it will start flights from Washington-Dulles to Wilmington. These year-round services are expected to begin from Apr 9, 2018. The carrier will ply twice daily on each route, except the flight between Denver and Jacksonville, which will operate once daily. The flights are expected to meet the surge in demand for air travel next spring. Further, United Airlines will begin seasonal daily services from Chicago and Los Angeles.