"Table 3. Top 10 Airlines, ranked by January to September 2004 Domestic Enplanements
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Rank,Airline Name,Jan-Sep 2003,Jan-Sep 2004,Jan-Sep 2003 Rank
1,Southwest Airlines,"56,355,197 ","60,954,558 ",2
2,Delta Air Lines,"58,373,359 ","59,493,659 ",1
3,American Airlines,"54,851,441 ","54,663,177 ",3
4,United Airlines,"42,485,760 ","45,590,457 ",4
5,Northwest Airlines,"32,545,109 ","34,453,224 ",5
6,U.S. Airways,"27,859,107 ","28,203,578 ",6
7,Continental Airlines,"23,156,589 ","23,547,756 ",7
8,America West Airlines,"14,508,410 ","15,069,456 ",8
9,Alaska Airlines,"9,860,378 ","10,808,645 ",9
10,American Eagle Airlines,"8,564,144 ","10,565,247 ",11
 Source: T-100 Domestic Market,,,,
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