Administrators say that recent restrictions on the number of flights to Beijing, slicker airline operations and revisions to air traffic management rules will all help reduce delays.

• 军方把民用飞机限制在一个狭小而拥挤的、贯穿全国的空中走廊里，而空军指挥官们突然而秘密的决定，就可能让很多航班成为受害者。