Table 3: System* Quarterly Operating profit/loss margin (in percent),,,,,,,
Low-Cost Carriers ,,,,,,,
Ranked by 2nd Quarter 2007 Margin ,,,,,,,
(Operating Profit/Loss as Percent of Total Operating Revenue,,,,,,,
2Q 2007 Rank,Low-Cost Carriers,2nd Quarter 2006 (%),3rd Quarter 2006 (%),4th Quarter 2006 (%),"1st
 Quarter 2007 ",2nd Quarter 2007 (%),2nd Quarter Operating Profit/Loss $(Millions)
1,Southwest,16.4,11.2,7.6,3.8,12.7,329
2,AirTran,10.3,-0.7,0.5,2.7,11.7,72
3,JetBlue,7.7,5.5,9.6,-2.2,10.2,75
4,Spirit,-3.2,-20.3,-20.1,7.0,5.5,10
5,Frontier,3.5,1.3,-6.9,-2.1,0.5,2
6,America West,5.9,-11.2,-7.9,5.1,-2.6,-25
7,ATA,-0.7,2.2,-6.6,-16.9,-6.0,-11
,Seven-Carrier Total,10.8,3.3,2.3,2.3,8.1,451
"Source: Bureau of Transportation Statistics; Form 41, Schedule P1.2 ",,,,,,,
* System = domestic + international,,,,,,,
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