v3.25.2
Document and Entity Information
Oct. 05, 2025
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0001860160
Document Type 8-K
Document Period End Date Oct. 05, 2025
Entity Registrant Name Firefly Aerospace Inc.
Entity Incorporation State Country Code DE
Entity File Number 001-42789
Entity Tax Identification Number 81-5194980
Entity Address, Address Line One 1320 Arrow Point Drive
Entity Address, Address Line Two #109
Entity Address, City or Town Cedar Park
Entity Address, State or Province TX
Entity Address, Postal Zip Code 78613
City Area Code (512)
Local Phone Number 893-5570
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common stock, par value $0.0001 per share
Trading Symbol FLY
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Entity Ex Transition Period false