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"China's fleet lacks the adapted capacity necessary to operate regional routes economically. When the traffic is limited, using large jets is not sustainable unless it is hugely subsidized," Bortoli said.

"China's regional aviation market is still in its initial stage of development. Most plateau airports globally are located in western China, and China is a great market with rich opportunities for the growth of the regional aviation sector," said Li Guijin, a professor at the Civil Aviation Management Institute of China.

"China, Japan and South Korea should speed up the negotiation pace of the free trade agreement and boost other investment activities. Developing combined transport by rail and sea, road passages and other infrastructure is practical to establish a flexible transportation network throughout the Northeast Asia region to improve and diversify regional economic growth," he said.

"Considering the amount of MAX aircraft used by China's three largest carriers, the impact of the jet model's grounding is under control. Existing flights can be carried out by other models," said Yu Nan, an industrial analyst from Haitong Securities.

"Customers are likely to make less informed decisions if they do not have hands-on experience with vehicles," said Eileen Ren, vice-president of digital customer experience at JD Power China.