Table 4: Quarterly Domestic Operating profit/loss margin (in percent),,,,,,, Regional Carriers ,,,,,,, Ranked by 3rd Quarter 2005 Margin ,,,,,,, (Operating Profit/Loss as Percent of Total Operating Revenue) ,,,,,,, 3Q 2005 Rank,Regional Carriers,3rd Quarter 2004 (%),4th Quarter 2004 (%),1st Quarter 2005 (%),2nd Quarter 2005 (%),3rd Quarter 2005 (%),3rd Quarter Operating Profit/Loss $(Millions) 1,Mesa,7.9,11.9,13.2,13.9,13.0,37.8 2,American Eagle,14.1,14.9,13.5,14.3,12.3,56.9 3,SkyWest,12.3,11.3,10.1,11.6,11.1,46.1 4,Atlantic Southeast,9.0,9.4,-0.2,10.2,9.6,29.3 5,ExpressJet,12.4,13.3,9.1,9.2,8.5,30.1 6,Comair,8.1,-0.2,1.6,4.4,2.6,9.2 7,Pinnacle,11.0,9.7,10.3,10.7,-14.6,-32.4 ,Seven-Carrier Total,11.0,10.4,8.5,10.7,7.4,177.2 "Source: Bureau of Transportation Statistics; Form 41, Schedule P1.2 ",,,,,,,