Head to head

Atlas V 551 vs New Glenn

Two vehicles in the same payload class. Every figure below comes from the same two sources for both rockets, and a row appears only when both publish the input.

Payload to low Earth orbit

Relative

Atlas V 551: 18,850 kg

New Glenn: 45,000 kg

Side by side

8 comparable figures

The highlighted value wins the row. Rows where neither direction is better, like length or stage count, highlight nothing.

Metric	Atlas V 551	New Glenn
Flights flown	23	3
Success rate	100%	66.7%
Payload to LEO (kg)	18,850	45,000
Payload to GTO (kg)	8,890	13,000
Liftoff thrust (kN)	12,269	17,126
Length (m)	59.7	98
Diameter (m)	3.8	7
Stages	2	2

Atlas V 551

Flight record

100% success rate23 of 23 flown

2006peak 2025 · 5 flights2026

Maiden flight 2006-01-19. Retired.

New Glenn

Flight record

66.7% success rate2 of 3 flown · 1 failed

2025peak 2026 · 4 flights2026

Maiden flight 2025-01-16. Still flying.

Atlas V 551 is built by United Launch Alliance of the United States (company profile on Space Index).New Glenn is built by Blue Origin of the United States (company profile on Space Index).

Full specifications and the complete launch history for each: Atlas V 551 · New Glenn.

Specifications from Launch Library 2 by The Space Devs, launch records from Space Index. Derived figures are computed here; see sources and method.