NASA has delayed the launch of the James Webb Space Telescope (JWST) to March 30, 2021, a slip from May 2020.. Every night, a network of NASA all-sky cameras scans the skies above the United States for meteoritic fireballs.. Update: NASA Delays Launch of James Webb Space Telescope to. MTV - Official Site 10 Sep 2002: "The James Webb Space Telescope is scheduled for launch in 2010 aboard an expendable launch vehicle." @NASA #JWST — NASA Watch (@NASAWatch) June 27, 2018.