"Table 3. Top 10 Airlines, ranked by January to October 2004 Domestic Enplanements",,,,, Jan-Oct 2004 Rank,Airline Name,Jan-Oct 2003 Passengers,Jan-Oct 2004 Passengers,Jan-Oct 2003 Rank, 1,Southwest Airlines,"62,636,005","67,854,148",2, 2,Delta Air Lines,"65,048,547","66,232,032",1, 3,American Airlines,"60,855,868","60,704,637",3, 4,United Airlines,"47,173,833","50,692,556",4, 5,Northwest Airlines,"36,193,384","38,343,765",5, 6,U. S. Airways,"31,085,588","31,555,223",6, 7,Continental Airlines,"25,687,464","26,202,750",7, 8,America West Airlines,"16,117,723","16,819,838",8, 9,Alaska Airlines,"10,906,109","11,939,251",9, 10,American Eagle Airlines,"9,610,192","11,893,071",10, Source: T-100 Domestic Market,,,,,