SpaceX Plans Falcon 9 Retirement Once Starship Flies Reliably Several Times Weekly

SpaceX intends to retire Falcon 9 and Falcon Heavy, but only after Starship can reliably fly several times per week. That condition puts the company’s proven workhorse an orbital rocket with nearly 700 missions since 2010 against a much larger replacement that has completed 13 suborbital test flights and has not yet demonstrated the required orbital reliability or cadence.

Elon Musk outlined the plan on Aug. 22, saying SpaceX would begin “winding down Falcon” once Starship reaches dependable, high-frequency service. Production resources could then move to Starship as the company pursues an eventual cadence of several launches per day. This is a conditional transition, not notice that Falcon 9 has already entered retirement.

The distinction matters because Falcon 9 is not merely an older rocket awaiting a more capable successor. It is the operating backbone for SpaceX’s commercial launches, Starlink deployments and NASA’s Crew Dragon and Cargo Dragon missions. Falcon 9 flew 165 missions in 2025, including 122 Starlink flights. More than 300 Falcon 9 launches since 2023 supported Starlink, helping build a constellation of more than 11,000 spacecraft.

Starship’s payload advantage is substantial on paper. The current Starship V3 is described as 408 feet tall and expected to carry more than 100 tons to low Earth orbit. Falcon 9 stands 230 feet tall and carries approximately 25 tons, while the three-booster Falcon Heavy can carry about 63 tons. Falcon Heavy has flown 12 missions.

Payload capacity alone, however, cannot replace a launch service. Customers require predictable schedules, compatible payload processing, mission-specific performance and confidence that a vehicle will be available when contracted. Starship must therefore prove not only that it can reach orbit with useful payloads, but that the complete system can recover, undergo inspection and return to service repeatedly without disrupting launch flow.

That operating model is the central technical difference. Falcon 9 lands and reflies its first-stage booster, but discards its upper stage. Starship is designed to recover and reuse both the Super Heavy booster and the Ship upper stage. Full reuse could reduce the hardware production burden at very high cadence, but it also makes recovery performance, heat-shield durability, refurbishment and launch-site turnaround part of routine service reliability.

Starship’s 13th test flight supplied useful progress: it included an engine relight in space, a test deployment of next-generation Starlink satellites and an intact upper-stage splashdown. Those are development milestones, not yet proof of an operational loop. SpaceX still needs repeated orbital payload delivery and recovery results before Starship can credibly absorb Falcon’s schedule.

Infrastructure and licensing form another boundary. SpaceX must obtain Federal Aviation Administration authorization for Starship launches and reentries. The FAA’s Starship project page says its review covers public safety, insurance, national-security and foreign-policy considerations, as well as environmental impacts. An existing environmental decision assessed up to 25 annual orbital launches and as many as 25 landings each for Ship and Super Heavy at the Boca Chica site. Flying several times per week and eventually several times per day would require capacity extending well beyond one pad’s currently assessed annual cadence.

A reported 2028 end to most commercial Falcon 9 missions is an industry timeline, not a confirmed SpaceX retirement date. If SpaceX reaches the required Starship performance, commercial satellite operators could be directed toward the larger rocket or competing launch providers. SpaceX’s larger next-generation Starlink satellites are already designed around Starship’s payload bay, giving the company a major internal reason to accelerate the change.

NASA missions are a separate constraint. The agency is positioned to continue buying Crew Dragon and Cargo Dragon flights to the International Space Station through 2030. Starship has not been contracted or designed to dock with the station, and its size raises different engineering considerations around station safety margins. SpaceX has also said it expects Dragon and Starship to operate concurrently during the transition.

Falcon 9’s phaseout therefore depends on more than one successful orbital flight or a larger payload number. Starship must repeatedly deliver useful payloads, recover its stages, clear regulatory requirements and sustain several flights per week before SpaceX can withdraw a rocket that flew 165 times in a single year.

By David Whitaker — Associate editor for AMI’s aerospace and drone systems desk, translating flight systems, aircraft programs, spaceflight, and UAV developments into accessible technical stories.