Table 2: Quarterly Domestic Operating profit/loss margin (in percent),,,,,,, Network Carriers ,,,,,,, Ranked by 2nd Quarter 2006 Margin ,,,,,,, (Operating Profit/Loss as Percent of Total Operating Revenue),,,,,,, 2Q 2006 Rank,Network Carriers,2nd Quarter 2005 (%),3rd Quarter 2005 (%),4th Quarter 2005 (%),1st Quarter 2006 (%),2nd Quarter 2006 (%),2nd Quarter Operating Profit/Loss $(Millions) 1,Northwest,-4.8,-8.6,-7,3.2,13.7,314 2,Delta,-4.1,-6,-10.8,-9.4,11.1,393 3,US Airways,-1,-7.5,-4.6,-1.7,8.3,131 4,United,-0.9,1.9,-5.1,-3.5,5.8,200 5,American,0.8,-5.4,-9.9,-0.2,5.5,207 6,Alaska,-0.5,11.7,-3.7,-27.8,5.2,34 7,Continental,-5.2,-8.8,-12.6,-7.4,-0.8,-17 ,Seven-Carrier Total,-2.2,-4.5,-8.4,-4.2,7.2,"1,262" "Source: Bureau of Transportation Statistics; Form 41, Schedule P1.2",,,,,,,