Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2023	Aug. 07, 2023
Document Information [Line Items]
Entity Central Index Key	0001823587
Entity Registrant Name	Sky Harbour Group Corporation
Amendment Flag	true
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2023
Document Type	10-Q/A
Amendment Description	Amendment No. 1
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2023
Document Transition Report	false
Entity File Number	001-39648
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	85-2732947
Entity Address, Address Line One	136 Tower Road, Suite 205
Entity Address, City or Town	White Plains
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10604
City Area Code	212
Local Phone Number	554-5990
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Common Class B [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		42,046,356
Common Class A [Member]
Document Information [Line Items]
Title of 12(b) Security	Class A common stock, par value $0.0001 per share
Trading Symbol	SKYH
Security Exchange Name	NYSEAMER
Entity Common Stock, Shares Outstanding		15,242,892
Warrant [Member]
Document Information [Line Items]
Title of 12(b) Security	Warrants, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50 per share
Trading Symbol	SKYH WS
Security Exchange Name	NYSEAMER