. . . EXHIBIT 21 SUBSIDIARIES OF DELTA AIR LINES, INC. AS OF MARCH 1, 2004 JURISDICTION OF INCORPORATION OR NAME OF SUBSIDIARY ORGANIZATION ------------------ ---------------- Aero Assurance Ltd. Vermont ASA Holdings, Inc. Georgia Atlantic Southeast Airlines, Inc. Georgia Comair Acquisition, Inc. Delaware Comair Capital Markets, Inc. Delaware Comair Holdings, LLC Delaware Comair Hub Operations Center, Inc. Delaware Comair, Inc. Ohio Comair Services, Inc. Kentucky Crown Rooms, Inc. Nevada Crown Rooms of Texas, Inc. Texas DAL Aircraft Trading, Inc. Delaware DAL Funding, LLC Delaware DAL Global Services, LLC Delaware DAL Moscow, Inc. Delaware DAL Receivables, LLC Delaware DASH Management, Inc. Delaware Delta AirElite Business Jets, Inc. Kentucky Delta Air Lines, Inc. and Pan American World Airways, Inc. - Unterstutzungskasse GMBH Germany 1 JURISDICTION OF INCORPORATION OR NAME OF SUBSIDIARY ORGANIZATION ------------------ ---------------- Delta Air Lines Receivables Corporation Delaware Delta Air Technology, Ltd. United Kingdom Delta Connection Academy, Inc. Florida Delta Benefits Management, Inc. Delaware Delta Corporate Identity, Inc. Delaware Delta Connection, Inc. Delaware Delta Grantor Trust New York Delta Loyalty Management Services, Inc. Delaware Delta Technology, LLC Georgia Delta Ventures III, LLC Delaware Epsilon Trading, Inc. Delaware Guardant, Inc. Delaware Kappa Capital Management, Inc. Delaware New Sky, Ltd. Bermuda Song Airways, LLC Delaware Omicron Reservations Management, Inc. Delaware Theta Services, LLC Georgia TransQuest Holdings, Inc. Delaware None of Delta's subsidiaries do business under any names other than their corporate names, with the following exceptions: DAL Global Services, LLC conducts business as DAL Global Services, Inc. in the following states: Alabama, Alaska, Arizona, Arkansas, California, Washington, D.C., Connecticut, Delaware, Florida, Georgia, Hawaii, Illinois, Kentucky, Louisiana, Maryland, Massachusetts, Minnesota, Michigan, Montana, Nebraska, Nevada, New Mexico, New York, North Carolina, Ohio, Oregon, Pennsylvania, South Carolina, Tennessee, Texas, Utah and Virginia. 2 DAL Global Services, LLC conducts business as Delta Air Lines Global Services, Inc. in the state of Indiana. Delta Technology, LLC conducts business as Delta Technology, Inc. in the following states: Alabama, Connecticut, Hawaii, Kansas, Kentucky, Louisiana, Maryland, Massachusetts, Michigan, Mississippi, Missouri, Nebraska, New York, North Carolina, North Dakota, Ohio, Oregon, Pennsylvania, South Carolina, Tennessee, Texas, Utah, Washington D.C., West Virginia and Wisconsin. Delta Technology, LLC conducts business as Delta Air Lines Technology, Inc. in the following states: Alaska, Arizona, Arkansas, California, Colorado, Florida, Indiana, New Jersey, New Mexico, Oklahoma, Virginia and Washington. Comair Holdings, LLC conducts business as Comair Holdings, Inc. in the state of Kentucky. 3