"Table 6. Top 10 Airlines, ranked by September 2005 Domestic Enplanements",,,,, Sept 2005 Rank,Carrier,Sept 2005 Passengers,Sept 2004 Rank,Sept 2004 Passengers, ,,,,, 1,Southwest,"6,991,028",1,"6,128,380", 2,American,"5,906,868",3,"5,326,779", 3,Delta,"5,611,032",2,"5,609,903", 4,United,"4,340,049",4,"4,805,982", 5,Northwest,"3,557,022",5,"3,455,637", 6,US Airways,"2,643,120",6,"2,732,847", 7,Continental,"2,366,756",7,"2,267,568", 8,America West,"1,646,390",8,"1,625,499", 9,American Eagle,"1,410,142",9,"1,228,603", 10,SkyWest,"1,332,311",10,"1,190,535", " Source: Bureau of Transportation Statistics, T-100 Domestic Market",,,,,