"Table 3 Top 10 Airlines, ranked by August 2003 Domestic Enplanements ",,,,, Rank,Airline Name,September 2002,August 2003,September 2003,Sept. 2002 Rank 1,"Southwest Airlines, Co.","5,375,914","6,836,277","5,746,988",3 2,"Delta Air Lines, Inc.","6,184,794","7,009,446","5,745,634",1 3,"American Airlines, Inc.","5,624,627","6,699,904","5,271,735",2 4,"United Airlines, Inc.","4,486,972","5,223,454","4,265,898",4 5,"Northwest Airlines, Inc.","3,213,778","4,050,711","3,254,774",5 6,"US Airways, Inc.","2,924,087","3,370,622","2,570,689",6 7,"Continental Airlines, Inc.","2,226,421","2,806,609","2,228,328",7 8,"America West Airlines, Inc.","1,469,130","1,779,472","1,495,731",8 9,"Alaska Airlines, Inc.","982,664","1,393,919","1,032,805",9 10,"American Eagle, Inc.","874,894","1,044,966","933,656",10 " Source: T-100 Domestic Market",,,,,