Exhibit 21.1

Subsidiaries of the Registrant

(As of December 31, 2007. All subsidiaries are 100% owned unless indicated otherwise.)

	State or Other
	Jurisdiction
	of
Name	Incorporation
Atlas Air Worldwide Holdings, Inc. (Registrant)	Delaware
Atlas Air, Inc.	Delaware
Atlas Air Crew Services, Ltd.(1)	United Kingdom
Liege Global Cargo (2)	Belgium
Polar Air Cargo Worldwide, Inc. (3)	Delaware
Polar Air Cargo LLC	California

(1)	In dissolution.
(2)	86% owned and in dissolution.
(3)	51% owned.