Watch Boeing's Starliner test flight to the ISS at 1:20PM ET (update: not happening today after all) - Engadget
NASA is launching Starliner Orbital Flight Test-2 from Cape Canaveral today (August 3rd) at 1:20PM Eastern, with a livestream available from NASA's YouTube channel (below) starting at 12:30PM ET.
If successful, the unoccupied spacecraft will deliver over 400lbs of cargo to the International Space Station before returning to Earth with 550lbs of material.
Starliner will start an orbital insertion burn about 30 minutes after launch.