A Study of Flight Pad Time for Scheduling Process


Article Preview

Flight delays have become a big problem for current air transportation system, especially in busy domestic markets like those in the United States. This situation is predicted to worsen in the future with progressive increase in the air traffic demands. Since on-time performance has become a main competitive element for market success, many airlines resort to the flight padding practice as a means to improve their ranking. In brief, flight padding time is the additional time incorporated into the flight schedule to compensate for predicted delays. This study explores flight padding practices by identifying the factors that can influence the decision-making process for the required amount of pad time to be added for a particular flight route. Examples of ATL-JFK and ATL-SFO flight routes have been used to demonstrate the results of this study. All in all, it is shown that the flight padding practice is widely-used by airlines and scheduling factors such as departure time and month of flight have high influences in dictating the amount of the required pad time.



Main Theme:

Edited by:

R. Varatharajoo, E. J. Abdullah, D. L. Majid, F. I. Romli, A. S. Mohd Rafie and K. A. Ahmad




F. I. Romli and M. B. Seng, "A Study of Flight Pad Time for Scheduling Process", Applied Mechanics and Materials, Vol. 225, pp. 517-521, 2012

Online since:

November 2012




[1] McCartney, S., Airlines Add Delays into Flight Time. The Wall Street Journal, (2007).

[2] Mayer, C. and T. Sinai, Why Do Airlines Systematically Schedule Their Flights to Arrive Late? 2003, The Wharton School, University of Pennsylvania.

[3] Schaar, D. and L. Sheery, Performance of the Air Transportation System for the Atlanta-Chicago O'Hare Route, 25th Digital Avionics Systems Conference. 2006: Portland, USA.

DOI: https://doi.org/10.1109/dasc.2006.313666

[4] Dareing, S.W. and D. Hoitomt. Traffic Management and Airline Operations. American Control Conference. 2002. Anchorage, USA.

DOI: https://doi.org/10.1109/acc.2002.1023200

[5] Arguello, M.F. and J.F. Bard, A GRASP for Aircraft Routing in Response to Groundings and Delays. Journal of Combinatorial Optimization, 1997. 5: pp.211-228.

[6] Romli, F.I., et al., Factorial Study on Airport Delay for Flight Scheduling Process, International Proceedings of Economics Development and Research, Vol. 38, May 2012: pp.180-184.