CNN CNN Newsroom Live December 28, 2021 05:28:00
>> reporter: it is not a surprise that the largest number of cancellations are in the united states and china. china is locked down to outsiders, therefore the domestic industry has managed to continue, while in the united states, there's been a huge upswing in travel demand, as things get back to normal. however, the airlines are working on very thin margins in terms of staffing shortages. so, when the staff started calling in sick with covid or isolating or in quarantine, well, that's when the effects were truly felt. in europe, not so many cancellations, but that's because the industry isn'...