United Airline to Add Flights to Chicago

United Airlines is adding additional Rapid City to Chicago flights for the summer.Rapid City Regional Airport says that the airline is expanding to three flights per day Sunday through Friday and four flights on Saturdays.The airline flies through its United Express affiliate SkyWest Airlines.

During most of the year, United flies one daily round-trip flight between Rapid City and Chicago's O'Hare International Airport.In recent years, the company has added a second daily flight to Chicago during the busy summer travel season. The expanded schedule begins June 9.