Table 3: Quarterly Domestic Operating profit/loss margin (in percent),,,,,,, Low-Cost Carriers ,,,,,,, Ranked by 2nd Quarter 2005 Margin ,,,,,,, (Operating Profit/Loss as Percent of Total Operating Revenue),,,,,,, "2Q 2005 Rank",Low-Cost Carriers,"2nd Quarter 2004 (%)","3rd Quarter 2004 (%)","4th Quarter 2004 (%)","1st Quarter 2005 (%)","2nd Quarter 2005 (%)","2nd Quarter Operating Profit/Loss $(Millions)" 1,Southwest,11.5,11.4,7.2,6.4,11.5,196.7 2,JetBlue,14.1,7.1,3.7,6.9,9.3,39.7 3,AirTran,11.3,-4.9,1.3,-3.2,5.3,19.5 4,America West,2.6,-4.7,-6.9,6.6,3.4,28.9 5,Frontier,-3.8,-0.3,-7.3,-1.3,-0.2,-0.5 6,Spirit,-3.0,-13.3,-31.6,-3.8,-10.7,-13.5 7,ATA,-9.1,-12.5,-187.0,-185.0,-38.9,-64.4 ,Seven-Carrier Total,7.1,3.6,-11.5,-4.3,5.3,206.4 "Source: Bureau of Transportation Statistics; Form 41, Schedule P1.2 ",,,,,,, ,,,,,,, ,,,,,,,