What is usually a set-in-stone schedule of flights is an Etch-a-Sketch this fall as Colorado resorts struggle to gauge demand for skiing and airlines work to accommodate coronavirus-wary travelers.

The request comes as the U.S. airline industry is reeling from the economic effects of the coronavirus crisis. Hundreds of jobs are at risk in Denver.

British Airways’ announcement that it is retiring the four-engined, humpbacked airplane means Lufthansa is the only airline flying to the Mile High City that uses the 747. But even they are unsure about the big plane’s future.

United is the largest carrier at Denver International Airport and it employs more than 7,000 people in the city. As many as 2,800 Denver jobs could be affected.

With air travel contracting to 5% of pre-coronavirus levels, airlines now are allowed to cut some airports. Analysts project Colorado vacation towns aren’t on the chopping block.

Colorado's mountain tourist destinations are siding with airlines on temporary cutbacks, but they're fearful long-term loss of service. The airlines are making the ask despite pocketing federal coronavirus relief funds.

United Airlines, staggering after coronavirus shutdowns required 80% reduction in flights, asked to end flights to Gunnison, but federal regulators said no. Flights will continue, even though they're only 10% full.

The number of people making their way through the airport’s security checkpoints last week dropped by more than 94% compared to the same stretch last year

A United vice president cites a 22% jump in the number of flights out of DIA in the past four years

The Colorado Sun spent 9 hours at DIA talking to airport employees and passengers -- and going behind the scenes -- to figure out what the droves meant

Gas isn’t cheap, neither is learning how to fly. Going electric could cut aviation fuel costs by 90 percent, save students money and, as an added bonus, cut emissions

After the United flight begins in May, there will be three daily, nonstop flights from Denver to Germany

Denver is among the top underserved markets for Amsterdam, Dublin, New Zealand, Beijing and the Middle East/Africa/India