Cover
Cover - shares | 3 Months Ended | |
Mar. 31, 2020 | Apr. 30, 2020 | |
Cover [Abstract] | ||
Document Type | 10-Q/A | |
Entity Incorporation, State or Country Code | DE | |
City Area Code | (206) | |
Local Phone Number | 392-5040 | |
Trading Symbol | ALK | |
Entity Address, Address Line One | 19300 International Boulevard, | |
Entity Address, City or Town | Seattle, | |
Entity Address, State or Province | WA | |
Entity Address, Postal Zip Code | 98188 | |
Entity File Number | 1-8957 | |
Entity Registrant Name | ALASKA AIR GROUP, INC. | |
Security Exchange Name | NYSE | |
Title of 12(b) Security | Common stock, $0.01 par value | |
Entity Current Reporting Status | Yes | |
Entity Interactive Data Current | Yes | |
Entity Filer Category | Large Accelerated Filer | |
Entity Shell Company | false | |
Entity Common Stock, Shares Outstanding | 122,585,372 | |
Document Period End Date | Mar. 31, 2020 | |
Amendment Flag | true | |
Entity Central Index Key | 0000766421 | |
Document Fiscal Year Focus | 2020 | |
Document Fiscal Period Focus | Q1 | |
Current Fiscal Year End Date | --12-31 | |
Entity Emerging Growth Company | false | |
Entity Small Business | false | |
Document Quarterly Report | true | |
Entity Tax Identification Number | 91-1292054 | |
Document Transition Report | false |