Table 11. Airline Domestic Unit Costs (Cents per Mile),,,,,,, Low-Cost Carriers,,,,,,, Ranked by 2nd Quarter 2005 Domestic Unit Costs ,,,,,,, (Domestic Operating Expenses per Available Seat Mile in cents) ,,,,,,, "2Q 2005 Rank",Low-Cost Carriers,"2nd Quarter 2004","3rd Quarter 2004","4th Quarter 2004","1st Quarter 2005","2nd Quarter 2005","2nd Quarter Operating Expenses $(Millions)" 1,America West,8.3,8.5,8.6,9.7,11.4,820.1 2,Frontier,9.7,9.5,10.9,11.3,10.7,222.2 3,Spirit,8.2,8.6,9.5,8.8,10.2,140.4 4,ATA,7.2,7.3,16.9,16.4,9.3,229.9 5,AirTran,8.5,8.6,8.3,8.7,9.0,345.6 6,Southwest,8.1,7.6,7.6,7.7,7.1,"1,519.5" 7,JetBlue,5.9,6.1,6.5,6.7,6.7,384.8 ,Seven-Carrier Total,7.9,7.8,8.8,8.8,8.3,"3,662.5" Source: Bureau of Transportation Statistics; Form 41; Schedule P1.2. T100; T2 Data,,,,,,,