In Shanghai, China Eastern Airlines fell 3.3%, Air China lost 3.2% and China Southern Airlines dropped 4.5%.

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In 2007, the company sold 50 aircraft to Hainan Airlines in Shanghai.

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Based in Shanghai, China Eastern Airlines (CEA, 36) is China's third-largest airline.

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China Eastern Airlines, the Shanghai-based carrier, just announced the order of 60 A320s from Airbus with delivery from 2014 to 2017.

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But China is likely to be cautious in granting Cathay additional flights given opposition from home carriers including Shanghai-based China Eastern Airlines as the fragmented Chinese airline industry consolidates.

CNN: Cathay Pacific returns to China

Meanwhile, Shanghai-based China Eastern Airlines Corp.

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Hong Kong health officials said a patient who is being treated there arrived from Mexico on a China Eastern Airlines flight that stopped in Shanghai.

CNN: Confirmed number of global swine flu cases: 367 and counting

On Friday Chinese carrier Spring Airlines cancelled a promotion offering free tickets from Shanghai to Saga prefecture in Japan following outcry from netizens.

BBC: East China Sea tension: China conducts naval exercises

Among foreign airlines looking to boost their business with China, Delta Airlines of the U.S. plans to launch a Shanghai-Seattle route in June.

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