Table 12. Airline Domestic Unit Costs (Cents per Mile),,,,,,, Regional/Commuter Carriers,,,,,,, Ranked by 3rd Quarter 2003 Domestic Unit Costs,,,,,,, "(Domestic Operating Expenses per Available Seat Mile in cents) ",,,,,,, Rank,Group,3rd Quarter 2002,4th Quarter 2002,1st Quarter 2003,2nd Quarter 2003,3rd Quarter 2003,Operating Expenses $(Millions) 1,Atlantic Coast,N/A,18.5,18.3,16.3,15.3,-$184.4 2,American Eagle,15.4,17.9,16.5,14.7,14.1,-234.9 3,Air Wisconsin,16.9,17.6,18.8,15.7,13.5,-106.6 4,Express Jet,N/A,15.5,15.2,13.7,13.3,-282.5 5,Sky West,N/A,14.6,13.8,13.6,12.4,-194.3 6,Atlantic Southeast,13.5,13.4,13.4,11.9,11.7,-177.9 7,Comair,N/A,12.5,12.7,11.2,10.8,-225.6 ,Group Total,N/A,15.5,15.1,13.5,12.8,"-1,406.2" Source: Form 41; Schedule p1.2. T100; T2 Data.,,,,,,,