Mexicana de Aviacion, Mexico’s first airline and leader in the international market announced today a new seasonal service between Denver and Zacatecas beginning December 1, 2006 through January 31, 2007. The Denver-Zacatecas route has been created to accommodate the high demand of passengers traveling to and from the regions during the holiday season. It is an addition to the continued uninterrupted service provided by Mexicana for the past 35 years into Denver.
source: Yahoo! Finance