Table 7: Passenger Revenue per Enplanement as a Percentage of System Operating Expenses (ex Fuel/Labor) per Enplanement,,,,,,,,
Passenger Airlines by Group,,,,,,,,
Ranked by First Quarter 2006 Performance,,,,,,,,
(Passenger Revenue as Percent of Cost per Enplanement),,,,,,,,
 1Q 2006 Rank ,,1Q 2001,1Q 2002,1Q 2003,1Q 2004,1Q 2005,1Q 2006,"Change
1Q 2001-1Q 2006"
1,Low-Cost Airlines,119,90,115,116,128,145,26
2,Network Airlines,93,67,64,74,71,79,-14
,14-Carrier Average,96,70,71,80,78,89,-7
,Group Percent Difference,26,23,51,42,57,66,40

"Source: Bureau of Transportation Statistics, Form 41 Airline Financial Data and T-100 Market Data.",,,,,,,,