Liftoff of the first crewed launch from the US in 9 years is scheduled for 7:22:00 PM from Historic Launch Complex 39A at the Kennedy Space Center.
Live coverage from NASA and SpaceX:
Docking is scheduled for Sunday, May 31, 2020 2:27 PM and hatch opening is scheduled for Saturday, May 30, 2020 4:45 PM
Backup launch opportunity: Sunday, May 31, 2020 7:00 PM
Crew: Doug Hurley and Bob Behnken
Rocket and spacecraft: Falcon 9 and Crew Dragon
More info: https://www.nasaspaceflight.com/2020/05/spacex-dragon-in-historic-first/