Helping push IAH's passenger traffic to new heights in 2004 were; American Airlines - up 14 percent, an increase of over 122,000 passengers, and America West - up 5 percent for the year. Continental Express's passenger service to Mexico was up by 60.7 percent and its domestic traffic rose 14 percent. Continental Airlines reported passenger traffic increases in their domestic, Central/South America and Europe routes.
Travel to domestic and Mexican destinations at IAH set new records in 2004. More than 30.1 million domestic passengers flew through IAH, shattering the old record of 29.5 million, and 2.6 million traveled to and from Mexico to surpass the old record of 2.2 million.