Compare · Rockets

Space Launch System Block 1 vs Delta 3914

RANKED BY PAYLOAD TO LOW EARTH ORBIT #4 VS #221 CHECKED 29 SEPT 2026

Side by side

Verdict

Space Launch System Block 1 ranks #4 of 311 on Payload to low Earth orbit (95,000 kg); Delta 3914 ranks #221 (951 kg).

Rank 04 of 311 · leads

Payload to low Earth orbit

95,000 kg

Launches2

Success rate100%

Payload to GTO—

First flight16 Nov 2022

Height98 m

Liftoff thrust39,000 kN

Launch mass2,628 t

Launch cost$2,000,000,000

ReusableNo

StatusActive

Rank 221 of 311

Payload to low Earth orbit

951 kg

Launches12

Success rate83.3%

Payload to GTO954 kg

First flight13 Dec 1975

Height35 m

Liftoff thrust3,046 kN

Launch mass185 t

Launch cost—

ReusableNo

StatusRetired

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Source The Space Devs — Launch Library 2 Last checked 29 Sept 2026