Figure 3: System Operating Expenses (excluding Regional Jet Contract) per Aircraft,,,
2001- 2006,,,
,Low-Cost,Network,14-Carrier Average
2001,15.404198,24.817861,23.231877
2002,14.966900,23.040926,21.559892
2003,15.332415,22.539532,21.075826
2004,16.764627,25.197638,23.312096
2005,18.048778,27.161164,24.992269
2006,19.144156,29.409235,26.708514
"Source: Bureau of Transportation Statistics, Form 41 Airline Financial Data ",,,



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