Nation's on-time flight performance drops
Delays worsening due to limited airspace available to civil aviation
On-time flight performance continued to decline in China this year despite the civil aviation authority's efforts to improve it.
According to the Civil Aviation Administration of China, the overall on-time performance of scheduled flights in the first 11 months of this year was 74.5 percent, down 2 percent compared with the same period last year.
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