Table 2: Quarterly Domestic Operating profit/loss margin (in percent),,,,,,, Network Carriers ,,,,,,, Ranked by 4th Quarter 2005 Margin ,,,,,,, (Operating Profit/Loss as Percent of Total Operating Revenue),,,,,,, 4Q 2005 Rank,Network Carriers,4th Quarter 2004 (%),1st Quarter 2005 (%),2nd Quarter 2005 (%),3rd Quarter 2005 (%),4th Quarter 2005 (%),4th Quarter Operating Profit/Loss $(Millions) 1,Alaska,-11.7,-16.0,-0.5,11.7,-3.7,-22 2,US Airways,-10.1,-13.9,-1.0,-7.5,-4.6,-69 3,United,-22.7,-6.9,-0.9,1.9,-5.1,-148 4,Northwest,-11.7,-10.4,-4.8,-8.6,-7.0,-141 5,American,-14.0,-4.7,0.8,-5.4,-9.9,-330 6,Delta,-17.7,-13.6,-4.1,-6.0,-10.8,-337 7,Continental,-15.4,-12.0,-5.2,-8.8,-12.6,-239 ,Seven-Carrier Total,-15.8,-9.9,-2.2,-4.5,-8.4,"-1,285" "Source: Bureau of Transportation Statistics; Form 41, Schedule P1.2 ",,,,,,,