Starliner Launch on Schedule for Friday Morning

The Boeing CST-100 Starliner spacecraft is guided into position above a United Launch Alliance Atlas V rocket at the Vertical Integration Facility at Space Launch Complex 41 at Florida’s Cape Canaveral Air Force Station on Nov. 21, 2019. Starliner will be secured atop the rocket for Boeing’s Orbital Flight Test to the International Space Station for NASA’s Commercial Crew Program. The spacecraft rolled out from Boeing’s Commercial Crew and Cargo Processing Facility at NASA’s Kennedy Space Center earlier in the day.

CAPE CANAVERAL AIR FORCE STATION, Fla. (ULA PR) — Everything is progressing toward the United Launch Alliance (ULA) Atlas V launch carrying the Orbital Flight Test (OFT),  Boeing’s CST-100 Starliner capsule. 

The mission is set to lift off on Friday, Dec. 20, from Space Launch Complex-41 at Cape Canaveral Air Force Station in Florida. The instantaneous launch is planned for 6:36 a.m. EST.

Live broadcast coverage of launch will begin at 5:30 a.m. EST on Dec. 20 and will broadcast live on NASA TV. Live launch updates and the webcast will be available at and

Atlas V rocket will deliver the CST-100 Starliner spacecraft to a 98 nautical mile suborbital trajectory to the International Space Station. After Starliner separation from Atlas V, Starliner engines will burn taking it the rest of the way to orbit and on to the International Space Station.

The Starliner OFT will be the 81st launch of the Atlas V and will mark ULA’s 136th mission.

Launch Forecast Summary

Today’s forecast shows a 70 percent chance of favorable weather conditions for launch. 

Overall probability of violating weather constraints: 30%
Primary concerns: Cumulus cloud rule, ground winds
Overall probability of violating weather constraints for 24-hour delay: 40%
Primary concern: Cumulus cloud rule, thick cloud layer rule


To keep up to speed with updates, dial the ULA launch hotline at 1-877-852-4321 or join the conversation at, and; hashtags #AtlasV #Starliner