. . . EXHIBIT 21.1 SUBSIDIARIES OF DELTA AIR LINES, INC. AS OF DECEMBER 31, 2004 <Table> <Caption> JURISDICTION OF INCORPORATION OR NAME OF SUBSIDIARY ORGANIZATION - ------------------ -------------------------------- Aero Assurance Ltd. Vermont ASA Holdings, Inc. Georgia Atlantic Southeast Airlines, Inc. Georgia Comair Holdings, LLC Delaware Comair, Inc. Ohio Comair Services, Inc. Kentucky Crown Rooms, Inc. New York DAL Aircraft Trading, Inc. Delaware DAL Global Services, LLC Delaware DAL Moscow, Inc. Delaware Delta AirElite Business Jets, Inc. Kentucky Delta Air Lines, Inc. and Pan American World Airways, Inc. Germany - Unterstutzungskasse GMBH Delta Air Lines Dublin Limited Ireland Delta Air Technology, Ltd. United Kingdom Delta Benefits Management, Inc. Delaware Delta Connection Academy, Inc. Florida Delta Connection, Inc. Delaware Delta Corporate Identity, Inc. Delaware Delta Loyalty Management Services, LLC 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, LLC New York TransQuest Holding, Inc. Georgia </Table> 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: Alaska, Arizona, Missouri, New Jersey and New Mexico. Delta Technology, LLC conducts business as Delta Technology, Inc. in the following states: Alabama, Connecticut, Hawaii, Kansas, Louisiana, Massachusetts, Michigan, Mississippi, Missouri, Montana, Nebraska, New York, North Carolina, North Dakota, Ohio, Oregon, Pennsylvania, Tennessee, Texas, West Virginia and Wisconsin. Delta Technology, LLC conducts business as Delta Air Lines Technology, Inc. in the following states: Alaska, Arizona, Arkansas, California, Indiana, New Jersey, New Mexico, Oklahoma and Virginia. Comair, Inc. conducts business as Comair South, Inc. in the states of Alabama and Florida.