Table 3: Quarterly Domestic Operating profit/loss margin (in percent),,,,,,, Low-Cost Carriers ,,,,,,, Ranked by 1st Quarter 2005 Margin ,,,,,,, (Operating Profit/Loss as Percent of Total Operating Revenue),,,,,,, 1Q 2005 Rank,Low-Cost Carriers,1st Quarter 2004 (%),2nd Quarter 2004 (%),3rd Quarter 2004 (%),4th Quarter 2004 (%),1st Quarter 2005 (%),1st Quarter Operating Profit/Loss $(Millions) 1,JetBlue,11.3,14.1,7.1,3.7,6.9,25.8 2,America West,2.0,2.6,-4.7,-6.9,6.6,47.9 3,Southwest,3.1,11.5,11.4,7.2,6.4,106.2 4,Frontier,-8.0,-3.8,-0.3,-7.3,-1.3,-2.8 5,AirTran,4.3,11.3,-4.9,1.3,-3.2,-9.4 6,Spirit,2.0,-3.0,-13.3,-31.6,-3.8,-5.3 7,ATA,-14.8,-9.1,-12.5,-187.0,-185.0,-318.3 ,Seven-Carrier Total,1.6,7.1,3.6,-11.5,-4.3,-155.7 "Source: Bureau of Transportation Statistics; Form 41, Schedule P1.2 ",,,,,,,