Table 14. System* Passenger Revenue Yield (Cents per Mile),,,,,,, Network Carriers,,,,,,, Ranked by 3rd Quarter 2007 Revenue Yield ,,,,,,, (Passenger Revenue per Revenue Passenger Mile in cents),,,,,,, 3Q 2007 Rank,Network Carriers,3rd Quarter 2006 ,4th Quarter 2006 ,1st Quarter 2007 ,2nd Quarter 2007 ,3rd Quarter 2007 ,3rd Quarter Passenger Revenue $(Millions) 1,Alaska,13.9,13.0,13.0,13.4,14.1,714 2,US Airways,13.2,13.5,13.7,14.5,13.8,"1,463" 3,United,12.3,11.6,11.4,12.5,13.4,"4,154" 4,Northwest,13.1,12.2,12.5,12.8,13.3,"2,547" 5,American,12.8,12.8,13.3,13.1,13.1,"4,750" 6,Continental,12.2,12.1,12.5,12.8,12.8,"2,822" 7,Delta,11.9,11.8,12.2,12.7,12.2,"3,539" ,Seven-Carrier Total,12.6,12.3,12.5,12.9,13.0,"19,989" Source: Bureau of Transportation Statistics; Form 41; Schedule P1.2. T100; T2 Data,,,,,,, * System = domestic + international ,,,,,,,