As part of its contract with Frontier Airlines, Republic Airways Holdings’ Republic Airlines subsidiary received its Air Operator Certificate (AOC) from the Mexican Directorate General of Civil Aviation (DGAC), launching its first service into Mexico on behalf of its major partner. Republic Airlines now has the authority to operate Embraer ERJ 170/175s on several routes to Mexico. Republic's service to Mexico began yesterday when flight 4571, operating as Frontier Airlines, departed Denver for Los Cabos at 9:35 a.m. MDT, followed by flight 4569 at 9:45 a.m. MDT to Puerto Vallarta. In addition to the first two routes launched October 3, Zihuatanejo will be added on October 15, and Mazatlan on October 16, both from Denver. It also inaugurates San Jose-Los Cabos and Sacramento-Los Cabos on October 24 and 25, respectively, as well as Albuquerque-Puerto Vallarta on December 15.