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SpaceX, NASA Delay Crew 11 Launch Due to Thick Clouds over Kennedy Space Center

SpaceX, NASA Delay Crew-11 Launch Due to Thick Clouds over Kennedy Space Center

Thick cumulus clouds forced SpaceX to scrub the Crew-11 astronaut launch seconds before liftoff.

Written by Gadgets 360 Staff | Updated: 3 August 2025 15:00 IST

SpaceX, NASA Delay Crew-11 Launch Due to Thick Clouds over Kennedy Space Center

Photo Credit: NASA

SpaceX Crew-11 launch delayed just over a minute before liftoff due to cloud cover

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Highlights

Crew-11 mission scrubbed due to cumulus cloud buildup
Launch halted 1 minute before liftoff at Kennedy Space Center
Safety zone prohibits launches near dark towering clouds

Just over a minute before liftoff on July 31, SpaceX called off the launch of NASA's Crew-11 mission due to unsafe weather at Kennedy Space Center in Florida. The scrub came after a dense bank of cumulus clouds drifted within a 10-mile radius of the launch pad, violating flight safety criteria. The Crew-11 mission is set to carry four astronauts to the International Space Station (ISS) aboard the Crew Dragon Endeavour capsule, marking the spacecraft's sixth flight — a reuse record under NASA's Commercial Crew Program.

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According to NASA's live broadcast, launch commentator Derrol Nail stated the dark cumulus clouds posed a potential hazard, as rockets should not pass through tall cloud formations. “That could generate some energy from the rocket passing through it,” Nail noted. The area around Launch Complex 39A was still being “watched” for cloud development, with live views showing clouds creeping ever closer.

The next available opportunity to launch is Friday, August 1, at 11:43 a.m. EDT (1543 GMT), with a backup time of Saturday, August 2, at 11:21 a.m. EDT (1521 GMT). NASA astronauts Zena Cardman and Mike Fincke, Japan's JAXA astronaut Kimiya Yui, and Russia's Oleg Platonov make up Crew-11.

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Once launched, it will take the mission roughly 40 hours to reach the ISS and begin orbiting Earth's atmosphere at about 248 miles above its surface while going over 17,500 mph. The Endeavour capsule's sixth flight is another step in NASA and SpaceX's collaboration to transport astronauts on privately owned spacecraft.

Crew-11 will be the 11th mission of NASA's Commercial Crew Program. It's late, officials have mentioned, but safety is still the top thing. Disappointing though that may be, it's a way to help ensure the crew and spacecraft will make it there in one piece, at precisely the right moment.

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