"Table 3. Top 10 Airlines, ranked by 2004 Domestic Enplanements",,,,,
2004 Rank ,Airline Name,2003,2004,2003 Rank ,
1,Southwest Airlines,"74,768,258","81,121,296",2,
2,Delta Air Lines,"77,792,560","79,373,578",1,
3,American Airlines,"72,202,834","72,647,682",3,
4,United Airlines,"56,307,542","60,080,792",4,
5,Northwest Airlines,"43,310,361","45,959,204",5,
6,US Airways,"37,302,321","37,810,424",6,
7,Continental Airlines,"30,853,319","31,528,695",7,
8,America West Airlines,"19,187,175","20,150,587",8,
9,American Eagle Airlines,"11,683,797","14,354,643",10,
10,Alaska Airlines,"13,081,832","14,305,190",9,
 Source: T-100 Domestic Market,,,,,