'ATL','WILLIAM B. HARTSFIELD','ATLANTA,GEORGIA','GA','USA','EST' 'BOS','LOGAN INTERNATIONAL','BOSTON,MASSACHUSETTS','MA','USA','EST' 'BWI','BALTIMORE/WASHINGTON INTERNATIONAL','BALTIMORE,MARYLAND','MD','USA','EST' 'DEN','STAPLETON INTERNATIONAL','DENVER,COLORADO','CO','USA','MST' 'DFW','DALLAS/FORT WORTH INTERNATIONAL','DALLAS/FT. WORTH,TEXAS','TX','USA','CST' 'OAK','METROPOLITAN OAKLAND INTERNATIONAL','OAKLAND,CALIFORNIA','CA','USA','PST' 'PHL','PHILADELPHIA INTERNATIONAL','PHILADELPHIA PA/WILM\'TON,DE','PA','USA','EST' 'PIT','GREATER PITTSBURGH','PITTSBURGH,PENNSYLVANIA','PA','USA','EST' 'SFO','SAN FRANCISCO INTERNATIONAL','SAN FRANCISCO,CALIFORNIA','CA','USA','PST'