What time is SpaceX's Demo-2 astronaut launch for NASA?

SpaceX will make a second attempt at launching its first Crew Dragon spacecraft with astronauts this weekend after the liftoff of the historic Demo-2 mission was scrubbed due to bad weather on Wednesday (May 27). 

While the planned launch date has changed, so has the time, so be sure to take note of the updated schedule and don't miss the big event! SpaceX is now targeting Saturday (May 30) at 3:22 p.m. EDT (1922 GMT) for the liftoff of the Falcon 9 rocket that will send veteran NASA astronauts Bob Behnken and Doug Hurley toward the International Space Station from Kennedy Space Center in Florida. 

If the launch attempt on Saturday is delayed again due to the weather — there's currently a 50% chance of unfavorable launch weather — the next available launch window will be on Sunday (May 31) at 3 p.m. EDT (1900 GMT)

Related: How to watch SpaceX's Demo-2 astronaut launch live online

NASA astronaut Bob Behnken is seen on the fixed service structure of Launch Complex 39A before boarding SpaceX's Crew Dragon spacecraft on top of the Falcon 9 rocket on May 27, 2020, at NASA's Kennedy Space Center in Florida. (Image credit: Joel Kowsky/NASA)

The launch window for the Demo-2 mission is instantaneous, which means that if they can't launch at that exact time, they'll have to wait until the next backup launch date. 

SpaceX and NASA have not yet officially announced the next backup launch date if  Demo-2 doesn't get off the ground this weekend. However, in a prelaunch briefing today (May 29), NASA Administrator Jim Bridenstine said that June 7 and June 8 are on the table, and the agency is also looking into the feasibility of a launch this coming Tuesday or Wednesday (June 2 or June 3). 

According to the U.S. Air Force's 45th Space Wing, which is tasked with predicting the probability of acceptable launch weather for launches from Kennedy Space Center and Cape Canaveral Air Force Station in Florida, the forecast for Sunday looks slightly better than Saturday's forecast, but not by much. The most recent weather report issued today (May 29) at 9 a.m. EDT (1300 GMT) shows a 40% chance of weather violations on Sunday, or a 60% chance of good weather for a rocket launch. 

Email Hanneke Weitering at hweitering@space.com or follow her @hannekescience. Follow us on Twitter @Spacedotcom and on Facebook.

OFFER: Save 45% on 'All About Space' 'How it Works' and 'All About History'!

OFFER: Save 45% on 'All About Space' 'How it Works' and 'All About History'!

For a limited time, you can take out a digital subscription to any of our best-selling science magazines for just $2.38 per month, or 45% off the standard price for the first three months.

Join our Space Forums to keep talking space on the latest missions, night sky and more! And if you have a news tip, correction or comment, let us know at: community@space.com.

Hanneke Weitering
Contributing expert

Hanneke Weitering is a multimedia journalist in the Pacific Northwest reporting on the future of aviation at FutureFlight.aero and Aviation International News and was previously the Editor for Spaceflight and Astronomy news here at Space.com. As an editor with over 10 years of experience in science journalism she has previously written for Scholastic Classroom Magazines, MedPage Today and The Joint Institute for Computational Sciences at Oak Ridge National Laboratory. After studying physics at the University of Tennessee in her hometown of Knoxville, she earned her graduate degree in Science, Health and Environmental Reporting (SHERP) from New York University. Hanneke joined the Space.com team in 2016 as a staff writer and producer, covering topics including spaceflight and astronomy. She currently lives in Seattle, home of the Space Needle, with her cat and two snakes. In her spare time, Hanneke enjoys exploring the Rocky Mountains, basking in nature and looking for dark skies to gaze at the cosmos.