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Document and Entity Information
Mar. 13, 2023
Cover [Abstract]  
Entity Registrant Name MESA AIR GROUP INC
Amendment Flag true
Entity Central Index Key 0000810332
Document Type 8-K/A
Document Period End Date Mar. 13, 2023
Entity Incorporation State 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 false
Soliciting Material false
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 true
Entity Ex Transition Period true
Amendment Description This Amendment No. 1 to the Current Report on Form 8-K amends Item 4.01 of the Current Report on Form 8-K of Mesa Air Group, Inc. filed on March 17, 2023 (the “Original Form 8-K”) solely to correct an error in the first paragraph of Exhibit 16.1 filed with the Original Form 8-K (the “Exhibit”). As previously filed, the first paragraph of the Exhibit incorrectly referenced the first through fifth paragraphs in the parenthetical of that paragraph (which referenced the paragraphs of the Original Form 8-K). This error has been corrected in the refiled Exhibit 16.1 to this Amendment No. 1 to refer to the first through third paragraphs of the Original Form 8-K. No other changes have been made to the Original Form 8-K.