Table 4: System Operating Expenses (excluding Regional Jet Contract) per Originating Passenger,,,,,,,,
Passenger Airlines by Group,,,,,,,,
Ranked by Third Quarter 2006 Performance,,,,,,,,
(Cost in Dollars Excluding Regional Jet Contract Expenses per Originating Passenger) ,,,,,,,,
3Q 2006 Rank ,,3Q 2001,3Q 2002,3Q 2003,3Q 2004,3Q 2005,3Q 2006,"Change
3Q 2001-3Q 2006"
1,Network ,291,250,238,238,247,272,-19
2,Low-Cost ,103,104,100,101,112,125,22
,14-Carrier Average,244,212,197,197,204,222,-22
,Group Dollar Difference,188,146,138,137,135,147,-41
"Source: Bureau of Transportation Statistics, Form 41 Airline Financial Data and DB1B Origin & Destination Data",,,,,,,,