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Development of Continuous Indirect Connectivity Model for Evaluation of Hub Operations at Airport  

Lee, Sang-Yong (한국항공대학교, 인천공항공사)
Yu, Gwang-Ui (한국항공대학교 항공교통물류우주법학부)
Park, Yong-Hwa (인하대학교 물류전문대학원)
Publication Information
Journal of Korean Society of Transportation / v.27, no.4, 2009 , pp. 195-206 More about this Journal
Abstract
The deregulation of aviation markets in Europe and the United Sates had led airlines to reconfigure their networks into hub-and-spoke systems. Recent trends of "Open Skies" in the Asian aviation market are also expected to prompt the reformation of airlines' networks in the region. A significant connectivity index is a crucial tool for airlines and airport authorities to estimate the degree of hub-and-spoke operations. Therefore, this paper suggests a new index, Continuous Indirect Connectivity Index (CICI), for measuring the coordination of airlines' flight schedules, applying it to the Asian, European and the American aviation markets. CICI consists of three components：(i) temporal connectivity to identify the attractiveness between connection flights, (ii) spatial connectivity to differentiate the attractiveness by de-routing distance with continuous linear function, and (iii) relative intensity to reflect the effect of direct flight frequency on transfer routes. CICI is evaluated to examine a casual relationship through regression analyses with two dependent variables of the number of transfer passengers and transfer rates. Compared with Danesi's index and Doganis' index through evaluation processes, CICI has a higher coefficient value of determination, implying that it explains the relationship between connectivity and transfer passengers more precisely.
Keywords
Hub-and-Spoke; Connectivity; Hub; Transfer Passenger; Transfer Rate;
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