"Table 6. Top 10 Airlines, ranked by December 2004 Domestic Enplanements",,,,,
Dec. 2004 Rank ,Airline Name,Dec. 2003,Dec. 2004,Dec. 2003 Rank ,
1,Southwest Airlines,"6,119,147","6,628,179",2,
2,Delta Air Lines,"6,503,916","6,596,761",1,
3,American Airlines,"5,897,565","6,122,148",3,
4,United Airlines,"4,742,188","4,783,477",4,
5,Northwest Airlines,"3,723,150","3,843,788",5,
6,US Airways,"3,128,235","3,081,361",6,
7,Continental Airlines,"2,672,575","2,692,307",7,
8,America West Airlines,"1,569,945","1,675,469",8,
9,American Eagle Airlines,"1,059,268","1,245,386",10,
10,Alaska Airlines,"1,133,722","1,219,036",9,
 Source: T-100 Domestic Market,,,,,