EX-21 9 ual_12312310kex21.htm EX-21 Document
Exhibit 21
            United Airlines Holdings, Inc. and United Airlines, Inc. Subsidiaries
(as of February 29, 2024)
EntityJurisdiction of Incorporation
United Airlines Holdings, Inc.Delaware
Wholly-owned subsidiaries*:
United Airlines, Inc.Delaware
Air Wis Services, Inc.
Wisconsin
Air Wisconsin, Inc.
Wisconsin
Domicile Management Services, Inc. **
Delaware
Air Micronesia, LLC.
Delaware
CAL Cargo, S.A. de C.V.**
Mexico
CALFINCO Inc.
Delaware
CALFINCO Caymans Ltd.
Cayman Islands
Century Casualty Company
Vermont
Continental Airlines de Mexico, S.A.**
Mexico
Continental Airlines Domain Name Limited
England and Wales
Continental Airlines Finance Trust II
Delaware
Continental Airlines Fuel Purchasing Group, LLC
Delaware
Continental Airlines, Inc. Supplemental Retirement Plan for Pilots Trust Agreement    
Delaware
Continental Airlines Purchasing Holdings LLC
Delaware
Continental Airlines Purchasing Services LLC**
Delaware
Continental Express, Inc.
Delaware
Covia LLC
Delaware
Mileage Plus Holdings, LLC
Delaware
MPH I, LLC
Delaware
Mileage Plus Marketing, Inc.
Delaware
Mileage Plus, LLC
Delaware
Mileage Plus Intellectual Property Assets, Ltd. ***
Cayman Islands
Mileage Plus Intellectual Property Assets Aggregator, Ltd.******
Cayman Islands
Mileage Plus Intellectual Property Assets Holdings UIP, Ltd.
Cayman Islands
Mileage Plus Intellectual Property Assets Holdings MIP, Ltd.
Cayman Islands
Mileage Plus Intellectual Property Assets SPV Partner, Ltd.****
Cayman Islands
Mileage Plus Intellectual Property Assets GP S.à r.l.*****
Luxembourg
Mileage Plus Intellectual Property Assets Lux 2 SCS*****
Luxembourg
Mileage Plus Intellectual Property Assets Lux 1 SCS*****
Luxembourg
Presidents Club of Guam, Inc.
Delaware
UABSPL Holdings, Inc.
Delaware
UAL Benefits Management, Inc.**
Delaware
United Aviation Fuels Corporation
Delaware
United Airlines Ventures, Ltd.
Cayman Islands
United Airlines Ventures Management LLC
Delaware
United Airlines Business Services Private Limited**
India
United Ground Express, Inc.
Delaware
United Travel Services, LLC
Delaware
United Vacations, Inc.
Delaware
Westwind School of Aeronautics, Phoenix, LLC
Delaware



        
*Subsidiaries of United Airlines Holdings, Inc. are wholly owned unless otherwise indicated

**Domicile Management Services Inc. is 99.9% owned by Air Wis Services, Inc. and 0.1% owned by United Airlines, Inc. CAL Cargo, S.A. de C.V. is 99.99% owned by United Airlines, Inc. and .01% owned by CALFINCO Inc. Continental Airlines de Mexico, S.A. is 99.9997% owned by United Airlines, Inc. and .0003% owned by private entities. Continental Airlines Purchasing Services LLC is 99% owned by Continental Airlines Purchasing Holdings LLC and 1% owned by United Airlines, Inc. UAL Benefits Management, Inc. has 100% of its Class A Common Stock owned by United Airlines, Inc. and 100% of its Class B Common Stock owned by Health Care Services Corporation. United Airlines Business Services Private Limited is 99.99% owned by United Airlines, Inc. and 0.01% owned by UABSPL Holdings, Inc. on behalf of United Airlines, Inc.
*** 1 special share in Mileage Plus Intellectual Property Assets, Ltd. is held by a third party share trustee
**** Mileage Plus Intellectual Property Assets SPV Partner, Ltd. is a wholly owned subsidiary of Mileage Plus Intellectual Property Assets, Ltd.
***** Mileage Plus Intellectual Property Assets Lux 1 SCS is 4.76% owned by Mileage Plus Intellectual Property Assets GP S.à r.l. and 95.23% owned by Mileage Plus Intellectual Property Assets Lux 2 SCS, which itself is 4.76% owned by Mileage Plus Intellectual Property Assets GP S.à r.l. and 95.23% owned by Mileage Plus Intellectual Property Assets, Ltd.
****** Mileage Plus Intellectual Property Assets Aggregator, Ltd. is 60% owned by Mileage Plus Intellectual Property Assets Holdings MIP, Ltd. and 40% owned by Mileage Plus Intellectual Property Assets Holdings UIP, Ltd.