Table 1: System* Quarterly Operating profit/loss margin (in percent),,,,,,,
Passenger Airlines by Group ,,,,,,,
Ranked by 1st Quarter 2007 Margin ,,,,,,,
(Operating Profit/Loss as Percent of Total Operating Revenue),,,,,,,
1Q 2007 Rank,Carrier Group,1st Quarter 2006 (%),2nd Quarter 2006 (%),3rd Quarter 2006 (%),4th Quarter 2006 (%),1st Quarter 2007 (%),1st Quarter Operating Profit/Loss $(Millions)
1,Regional ,9.3,8.1,8.9,10.0,6.3,149
2,Network ,-3.3,7.5,5.4,1.7,2.5,559
3,Low-Cost ,2.5,10.8,3.3,2.7,2.3,109
,21-Carrier Total,-1.3,8.1,5.4,2.6,2.7,817
"Source: Bureau of Transportation Statistics; Form 41, Schedule P1.2 ",,,,,,,
* System = domestic + international ,,,,,,,