v3.19.2
Document and Entity Information
Jul. 16, 2019
Entity Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jul. 16, 2019
Entity Registrant Name UNITED AIRLINES HOLDINGS, INC.
Entity Central Index Key 0000100517
Entity Incorporation, State or Country Code DE
Entity File Number 001-06033
Entity Tax Identification Number 36-2675207
Entity Address, Address Line One 233 S. Wacker Drive,
Entity Address, City or Town Chicago,
Entity Address, State or Province IL
Entity Address, Postal Zip Code 60606
City Area Code 872
Local Phone Number 825-4000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.01 par value
Trading Symbol UAL
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
UNITED AIRLINES, INC  
Entity Information [Line Items]  
Entity Registrant Name UNITED AIRLINES, INC
Entity Central Index Key 0000319687
Entity Incorporation, State or Country Code DE
Entity File Number 001-10323
Entity Tax Identification Number 74-2099724
Entity Address, Address Line One 233 S. Wacker Drive,
Entity Address, City or Town Chicago,
Entity Address, State or Province IL
Entity Address, Postal Zip Code 60606
City Area Code 872
Local Phone Number 825-4000