1. Associated Press (2007), “Airline passengers dissatisfied with service”, May 15, available at: www.msnbc.com/id/18661797/print/1/displaymode/1098 (accessed May 16, 2007).
2. (The) Associated Press (2007), “Airlines' woes worsen for 3rd year”, MSNBC.com, available at: www.msnbc.com/id/17905401 (accessed May 30, 2007).
3. Barnett, A. and Higgins, M.K. (1989), “Airline safety: the last decade”, The Institute of Management Sciences, Vol. 35 No. 1, pp. 1‐21.
4. Bachman, J. (2007), “Get ready to pay for peanuts”, Business Week, available at: www.businessweek.com/bwdaily/dnflash/content/may2007/db20070521 (accessed May 30, 2007).
5. Bloomberg News (2007), “US air traffic delayed at 11 airports”, The Boston Globe, available at: www.boston.com/business/articles/2007/06/09/us_traffic_delayed_at_11_airports (accessed August 8, 2007).