The US has been a pioneer w.r.t. the modern hub-and-spoke (HS) system which found near unequivocal support among aviation scholars over the last few decades. The author takes a more critical approach with regards to the central role that hub airports play within the ATS, particularly when...

This paper examines air traffic patterns among China’s scheduled airlines in January 2006 and January 2011, using Official Airline Guide data on carrier schedules. The author classifies Chinese carriers into one of 4 classes. Airports are also organized into a classification scheme based on...