The group's principal activity is to operate as a scheduled passenger airline based in denver, Colorado. The group, in conjunction with frontier jetexpress operated by mesa air group, operates routes linking its denver hub to forty-eight cities in twenty two states spanning the United States from coast to coast and to two cities in Mexico. It currently uses up to sixteen gates at the denver international airport ("Dia"), where it operates approximately 204 daily system flight departures and arrivals. It generally provides seats at discount fares on flights booked within 14 days of travel. It has twenty-eight leased jets and nine owned airbus aircraft. The fleets include three boeing 737-200s, sixteen larger boeing 737-300s ,twenty six airbus a319s and six airbus a318s.
