Table 11.  Airline Domestic Unit Costs (Cents per Mile),,,,,,,
Low-Cost Carriers,,,,,,,
Ranked by 4th Quarter 2005 Domestic Unit Costs ,,,,,,,
(Domestic Operating Expenses per Available Seat Mile in cents) ,,,,,,,
4Q 2005 Rank,Low-Cost Carriers,4th Quarter 2004,1st Quarter 2005 ,2nd Quarter 2005 ,3rd Quarter 2005 ,4th Quarter 2005 ,4th Quarter Operating Expenses $(Millions)
1,America West,8.6,9.7,11.4,12.2,13.4,985
2,Frontier,10.9,11.3,10.7,10.3,11.2,247
3,Spirit,9.5,8.8,10.2,9.7,10.6,115
4,AirTran,8.3,8.7,9.0,9.6,9.8,404
5,Southwest,7.6,7.7,7.1,7.8,8.4,"1,824"
6,JetBlue,6.5,6.7,6.7,7.0,7.3,464
7,ATA,16.9,16.4,9.3,13.8,3.4,64
,Seven-Carrier Total,8.8,8.8,8.3,9.1,9.2,"4,102"
Source: Bureau of Transportation Statistics; Form 41; Schedule P1.2.  T100; T2 Data.,,,,,,,