This is the Hohhot Airport in 2009 occurred the first time since the spring large-area flight delays, but also has occurred since the last winter of the most serious flight delays.

• 这是呼和浩特机场进入2009年春运以来发生的首次航班大面积延误，也是自去年冬季至今发生的最严重的一次航班延误。