Professor Janic's book deals with timely issues such as congestion, delay, demand and capacity that affect the efficiency of airlines and airspace systems. Airport Analysis is a complement to rather than a substitute for reference books such as Planning and Design of Airports by Horonjeff rf al. (McGraw Hill, 2010) and Airport Systems: Planning, Design, and Management by deNeufville and Odoni (McGraw Hill, 2003). According to Professor Janic: 'delays represent a loss of time for the affected actors, the service users and the service suppliers'. However, his definition fails to capture the components of delays. Arguably, it is the inability for airport capacity to match available demand that generates a difference between actual and scheduled airline on-time performance. The difficulty for aviation practitioners is to anticipate the variability in arrival or departure delays as a measure of schedule reliability.
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