Las Vegas Sun

June 28, 2016

Currently: 90° — Complete forecast

In this Feb. 22, 2010, file photo, Frontier Airlines jetliners sit stacked up at gates along the A concourse at Denver International Airport.

David Zalubowski / AP

In this Feb. 22, 2010, file photo, Frontier Airlines jetliners sit stacked up at gates along the A concourse at Denver International Airport.