China's aviation sector is booming but the country's biggest airlines have a problem with aviation data firm OAG ranking Air China, China Eastern and China Southern the least punctual of the world's major airlines with one-third of their flights delayed.
A major issue is that 75% of the airspace is controlled by the military which will not relinquish it for civilian flights.
The Govt has said this may change.
Until then, count on being late.
Original story