Frontier Airlines is a wholly owned subsidiary of Republic Airways Holdings, Inc. (NASDAQ: RJET), an airline holding company that also owns Chautauqua Airlines, Republic Airlines and Shuttle America. Currently in its 20th year of operations, Frontier offers service to more than 75 destinations in the United States, Mexico, Costa Rica, Jamaica, and the Dominican Republic. The airline employs more than 3,900 aviation professionals, operating from its hub at Denver International Airport. For in-depth information on Frontier Airlines and to book tickets, visit.