"Table 6. Top 10 Airlines, ranked by July 2004 Domestic Enplanements ",,,, Rank,Airline Name,Jul-03,Jul-04,July 2003 Rank 1,Southwest Airlines,"7,134,968","7,623,703",2 2,Delta Air Lines,"7,190,969","7,469,377",1 3,American Airlines,"7,007,963","6,718,150",3 4,United Airlines,"5,400,012","5,833,064",4 5,Northwest Airlines,"4,212,743","4,472,013",5 6,US Airways,"3,493,982","3,474,841",6 7,Continental Airlines,"3,020,299","2,978,741",7 8,America West Airlines,"1,825,634","1,868,638",8 9,Alaska Airlines,"1,376,591","1,479,729",9 10,American Eagle Airlines,"1,071,022 ","1,316,870",11 Source: T-100 Domestic Market,,,,