Table 5.  Airline Domestic Unit Revenue (Cents Per Mile),,,,,,,
Passenger Airlines by Group ,,,,,,,
Ranked by 2nd Quarter 2006 Domestic Unit Revenue ,,,,,,,
(Domestic Operating Revenue Per Available Seat Mile),,,,,,,
2Q 2006 Rank,,2nd Quarter 2005 ,3rd Quarter 2005 ,4th Quarter 2005 ,1st Quarter 2006 ,2nd Quarter 2006 ,2nd Quarter Operating Revenue $(Millions)
1,Network Carriers,13.3,13.4,13.9,14.4,15.8,"17,580"
2,Regional Carriers,14.3,14.5,15,15.4,15.3,"2,443"
3,Low-Cost Carriers ,8.7,9.3,9.3,9.5,10.8,"5,087"
,21-Carrier Total,12.3,12.5,12.8,13.2,14.4,"25,110"
"Source: Bureau of Transportation Statistics; Form 41, Schedule P1.2.  T100; T2 Data",,,,,,,