Table 4. Quarterly Domestic Operating profit/loss margin (in percent),,,,,,, Regional Carriers,,,,,,, Ranked by 4th Quarter 2003 Margin,,,,,,, (Operating Profit/Loss as Percent of Total Operating Revenue),,,,,,, 4Q 2003 Rank,Regional Carriers,4th Quarter 2002 (%),1st Quarter 2003 (%),2nd Quarter 2003 (%),3rd Quarter 2003 (%),4th Quarter 2003 (%),4th Quarter Operating Profit/Loss $(Millions) 1,American Eagle,8.5,9.6,16.2,15.7,20.6,61.9 2,Comair,-1.8,5.6,13.6,15.9,16.5,47.6 3,Express Jet,13.5,13.4,12.4,12.9,12.9,41.6 4,Air Wisconsin,8.2,6.8,11.6,21.4,12.5,17.4 5,Sky West,13.8,9.7,11.4,15.3,12.1,28.9 6,Atlantic Coast,-2.1,1.5,18.3,16.5,11.4,25.6 7,Atlantic Southeast,11.7,11.2,15.2,12.7,9.7,20.7 ,Group Total,8.2,9,14.2,15.3,14.1,243.6 Source: Form 41; Schedule P1.2,,,,,,,