Table 4: System* Quarterly Operating profit/loss margin (in percent),,,,,,,
Regional Carriers ,,,,,,,
Ranked by 4th Quarter 2006 Margin ,,,,,,,
(Operating Profit/Loss as Percent of Total Operating Revenue),,,,,,,
4Q 2006 Rank,Regional Carriers,4th Quarter 2005 (%),1st Quarter 2006 (%),2nd Quarter 2006 (%),3rd Quarter 2006 (%),4th Quarter 2006 (%),4th Quarter Operating Profit/Loss $(Millions)
1,Pinnacle,7.7,10.4,9.5,12.3,29.8,61
2,Atlantic Southeast,13.1,13.6,13.2,12.1,13.1,42
3,American Eagle,10.3,11.0,8.1,9.8,10.1,47
4,ExpressJet,10.1,9.4,8.5,8.4,8.3,35
5,Sky West,10.3,9.4,10.0,9.6,7.3,35
6,Comair,-0.9,1.5,2.1,6.8,4.6,13
7,Mesa ,10.3,8.9,4.1,3.7,4.3,12
,Seven-Carrier Total,8.9,9.3,8.1,8.9,10.0,245
"Source: Bureau of Transportation Statistics; Form 41, Schedule P1.2 ",,,,,,,
* System = domestic + international,,,,,,,