"Table 6. Top 10 Airlines, ranked by September 2004 Domestic Enplanements
",,,,,,,,,,
Rank,Airline Name,Sept. 2003,Sept. 2004,Sept. 2003 Rank,,,,,,
1,Southwest Airlines,"5,746,988 ","6,128,380 ",1,,,,,,
2,Delta Air Lines,"5,745,634 ","5,609,903 ",2,,,,,,
3,American Airlines,"5,271,735 ","5,326,779 ",3,,,,,,
4,United Airlines,"4,265,898 ","4,805,982 ",4,,,,,,
5,Northwest Airlines,"3,254,774 ","3,455,637 ",5,,,,,,
6,U.S. Airways,"2,570,689 ","2,732,847 ",6,,,,,,
7,Continental Airlines,"2,228,328 ","2,267,568 ",7,,,,,,
8,America West Airlines,"1,495,731 ","1,625,499 ",8,,,,,,
9,American Eagle Airlines,"933,656 ","1,228,603 ",10,,,,,,
10,SkyWest Airlines,"908,686 ","1,190,535 ",11,,,,,,
 Source: T-100 Domestic Market,,,,,,,,,,