Cover Page - shares	3 Months Ended
	Mar. 31, 2026	Apr. 17, 2026
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2026
Document Transition Report	false
Entity File Number	001-43236
Entity Registrant Name	Madison Air Solutions Corporation
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	41-2529345
Entity Address, Address Line One	444 West Lake Street
Entity Address, Address Line Two	Suite 4460
Entity Address, City or Town	Chicago
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60606
City Area Code	312
Local Phone Number	262-6374
Title of 12(b) Security	Class A common stock, par value $0.0000001
Trading Symbol	MAIR
Security Exchange Name	NYSE
Entity Current Reporting Status	No
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Amendment Flag	false
Document Fiscal Year Focus	2026
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q1
Entity Central Index Key	0002098430
Common Class A
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		176,888,113
Common Class B
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		324,379,859