Frontier Airlines jetliners sit at gates on the A concourse at Denver International Airport in May 2017.

AP Photo/David Zalubowski

It's looking like stormy skies ahead for Colorado flyers. Frontier Airlines workers are threatening to strike (again), Denver International Airport is due for serious renovations and seat sizes continue to shrink. But it's not all doom and gloom. Airline business expert and Airline Reporter editor Blaine Nickeson talked to Colorado Matters about the changes and challenges frequent flyers can expect.