Low-cost carriers Southwest Airlines and Frontier Airlines are adding flights and starting new destinations from Denver International Airport, in Denver, Colorado, the United States, in 2010.

Frontier Airlines, the budget carrier based in Denver, Colorado, the United States, and its subsidiary Lynx Aviation have officially come out of bankruptcy protection and have been acquired by Republic Airways Holdings.

Frontier Airlines, the low-cost airline based in Denver, Colorado, the United States, has announced that it will add a fourth daily non-stop flight between Denver and Milwaukee, the largest city in Wisconsin.

Frontier Airlines, the low-fare airline based in Denver, Colorado, the United States, has announced that its traffic for February 2009 fell by 19.9% compared to the same period a year ago, mainly on account of a deceleration in demand for air travel.

Frontier Airlines and First Data Corporation have entered into an agreement regarding continued processing of Frontier Airlines’ Visa and MasterCard charges without any interruption.

Frontier Airlines, based in Denver, Colorado, the United States, has decided to raise the charge for taking antlers on its planes to $100 from $75.