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A Comparison of Departure Time of Day Formulations
Lurkin, Virginie; Garrow, Laurie; Higgins, Matthew et al.
2016
 

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Keywords :
Departure time preferences; itinerary choice
Abstract :
[en] Airline passengers’ itinerary choices are influenced by many factors including carriers, prices, the number of connections, and departure times. This paper compares three different methods that have been used to model departure time of day preferences. The first is a discrete formulation that uses indicator variables to represent the hour of departure. The next two methods are based on a continuous formulation that uses a series of sine and cosine functions. One assumes departure time preferences over a 24-hour cycle and the other uses shorter cycle lengths that account for fewer departures during certain hours of the day. We compare models using itineraries in the Continental U.S. that are separated by two time zones. Although the discrete formulation fits the data better, the two continuous time of day formulations are preferred as they provide more intuitive predictions and require fewer parameters. Results between the two continuous time of day formulations are similar but differ in how strongly they weight itineraries that depart very early or very late in the day. Based on empirical results, we recommend testing both 24-hour and less than 24-hour cycle lengths for a particular dataset.
Research center :
QuanTOM, Georgia Institute of Technology
Disciplines :
Quantitative methods in economics & management
Author, co-author :
Lurkin, Virginie ;  Université de Liège > HEC-Ecole de gestion : UER > UER Opérations : Informatique de gestion
Garrow, Laurie;  Georgia Institute of Technology > School of Civil and Environmental Engineering
Higgins, Matthew;  Georgia Institute of Technology > Ernest Scheller Jr. College of Business
Newman, Jeffrey;  Georgia Institute of Technology > School of Civil and Environmental Engineering
Schyns, Michael ;  Université de Liège > HEC-Ecole de gestion : UER > UER Opérations : Informatique de gestion
Language :
English
Title :
A Comparison of Departure Time of Day Formulations
Publication date :
27 January 2016
Number of pages :
15
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
Available on ORBi :
since 28 January 2016

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