Table 11: Low-Cost Airline System* Unit Costs ,,,,,,,
Low-Cost Airlines Ranked by 1st Quarter 2008 Unit Costs (Cents Per ASM) ,,,,,,,
(Operating Expenses per Available Seat Mile in cents),,,,,,,
1Q 2008 Rank,Low-Cost Airlines,1st Quarter 2007 ,2nd Quarter 2007 ,3rd Quarter 2007 ,4th Quarter 2007 ,1st Quarter 2008 ,1st Quarter Operating Expenses $(Millions)
1,Frontier,9.7,10.7,10.8,11.5,12.0,381
2,AirTran,9.4,9.4,9.5,9.9,10.9,632
3,Spirit,8.4,8.5,8.7,9.6,9.8,207
4,Southwest,8.9,9.0,9.1,9.4,9.7,"2,442"
5,Allegiant,7.6,8.2,8.6,8.8,9.6,117
6,JetBlue,8.3,8.0,8.3,8.8,9.5,798
7,America West**,12.1,13.1,13.5,N/A,N/A,N/A
,Seven-Carrier Total,9.3,9.6,9.6,9.5,10.0,"4,577"
Source: Bureau of Transportation Statistics; Form 41; Schedule P1.2.  T100; T2 Data,,,,,,,
* System = domestic + international ,,,,,,,
** America West Airlines and US Airways now operate under a single certificate and are reporting jointly.  The combined airline’s financial numbers are included with the network carriers beginning with the fourth quarter of 2007.  US Airways’ previous numbers remain with network carriers and America West’s previous numbers are listed separately as a low-cost carrier.,,,,,,,
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