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Document And Entity Information
Jul. 24, 2025
Cover [Abstract]  
Document Type 8-K/A
Document Period End Date Jul. 24, 2025
Entity Registrant Name MESA AIR GROUP, INC
Entity Incorporation, State or Country Code NV
Entity File Number 001-38626
Entity Tax Identification Number 85-0302351
Entity Address, Address Line One 410 North 44th Street
Entity Address, Address Line Two Suite 700
Entity Address, City or Town Phoenix
Entity Address, State or Province AZ
Entity Address, Postal Zip Code 85008
City Area Code 602
Local Phone Number 685-4000
Written Communications true
Soliciting Material true
Pre commencement Tender Offer false
Pre commencement Issuer Tender Offer false
Security 12b Title Common Stock, no par value
Trading Symbol MESA
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Amendment Description This Form 8-K/A amends the Form 8-K issued by Mesa Air Group, Inc. on July 23, 2025. The purpose of this Form 8-K/A is to check the box indicating that this constitutes a written communication pursuant to Rule 425 under the Securities Act (17 CFR 230.425).
Entity Central Index Key 0000810332
Amendment Flag true