1. Business Standard. (2013). Indigo flaunts on-time performance muscle. Feb 21. http://www.business-standard.com/india/news/indigo-flaunts-on-time-performance-muscle/468700/
2. Cheng-Lung Wu C, Caves RE (2000) Aircraft operational costs and turnaround efficiency at airports. Journal of Air Transport Management 6:201–208
3. Ellis SC (2011). A Theory of constraints service systems improvement method: case of the airline turnaround problem. FIU Electronic Theses and Dissertations. Paper 404. http://digitalcommons.fiu.edu/etd/404
4. Indian Aviation Industry. (2012). Through turbulent times, FDI relaxation alone not a game changer. March. http://www.icra.in/Files/ticker/Indian%20Aviation%20Industry%20(NEW).pdf
5. The Indian Express. (2010). On-time performance better, but airline fear revenue. Aug 05