F
Firefly Alpha
Firefly Aerospace·USAExpendable
Specifications
Payload to LEO
1,030 kg
Payload to GTO
N/A
Height
29 m
First Flight
2021
Success Rate
43%
Cost per kg
$14,500
Reusable
No
Operator
Firefly Aerospace
Payload Comparison
Firefly Alpha payload to LEO relative to other launch vehicles.
Starship150,000 kg
SLS Block 195,000 kg
Falcon Heavy63,800 kg
New Glenn45,000 kg
Vulcan Centaur27,200 kg
Long March 525,000 kg
Falcon 922,800 kg
Ariane 621,650 kg
Reliability
43%
In Development
Firefly Alpha is still early in its flight history. Success rate is expected to improve with more launches.
Cost Analysis
Estimated launch costs based on $14,500/kg to LEO.
1,000 kg payload
$14.5M
estimated cost
5,000 kg payload
$72.5M
estimated cost
10,000 kg payload
$145.0M
estimated cost
Next Firefly Alpha launch
Next Launch
Firefly Alpha Block 2 | QuickSounder
Firefly Aerospace Space Launch Complex 2W, Vandenberg SFB, CA, USA
days
hours
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NET Wed, 30 Sep 2026 00:00:00 UTC