Table 11.  Airline Domestic Unit Costs (Cents per Mile),,,,,,,
Low-Cost Carriers,,,,,,,
Ranked by 2nd Quarter 2006 Domestic Unit Costs ,,,,,,,
(Domestic Operating Expenses per Available Seat Mile in cents) ,,,,,,,
2Q 2006 Rank,Low-Cost Carriers,2nd Quarter 2005 ,3rd Quarter 2005 ,4th Quarter 2005 ,1st Quarter 2006 ,2nd Quarter 2006 ,2nd Quarter Operating Expenses $(Millions)
1,America West,11.4,12.2,13.4,11.3,12.7,932
2,Spirit,10.2,9.7,10.6,9.5,11.4,126
3,Frontier,10.7,10.3,11.2,11.1,11.1,270
4,ATA,9.3,13.8,3.4,10.1,10.3,134
5,AirTran,9,9.6,9.8,9.8,10,473
6,Southwest,7.1,7.8,8.4,8.7,8.9,"2,048"
7,JetBlue,6.7,7,7.3,7.8,7.8,564
,Seven-Carrier Total,8.3,9.1,9.2,9.3,9.7,"4,546"
Source: Bureau of Transportation Statistics; Form 41; Schedule P1.2.  T100; T2 Data.,,,,,,,