"Table 1 Top 10 Airlines, ranked by May 2003 Domestic Enplanements",,,,,, Rank, Airline Name,"Airline Code",May-02,Apr-03,May-03,"May-02 Rank" 1,"Southwest Airlines, Co.",WN,"6,609,204","6,137,024","6,541,247",3 2,"Delta Air Lines, Inc.",DL,"7,066,533","6,160,049","6,337,258",1 3,"American Airlines, Inc.",AA,"6,717,971","5,907,580","6,218,797",2 4,"United Airlines, Inc.",UA,"4,851,527","4,537,823","4,699,311",4 5,"Northwest Airlines, Inc.",NW,"3,697,230","3,500,259","3,528,516",6 6,"US Airways, Inc.",US,"4,030,764","3,227,126","3,289,483",5 7,"Continental Airlines, Inc.",CO,"2,772,405","2,521,969","2,628,289",7 8,"America West Airlines, Inc.",HP,"1,645,706","1,593,759","1,665,788",8 9,"Alaska Airlines, Inc.",AS,"1,016,941","991,258","1,083,729",9 10,"American Eagle Airlines, Inc.",MQ,"967,918","1,027,404","1,073,511",10 SOURCE: T-100 Domestic Market,,,,,,