As regulators weigh SpaceX's plans to launch its massive Starship rocket from Kennedy Space Center, federal documents warn those flights could ripple through Florida airspace, forcing ground stops at multiple airports, reroutes, and delays of up to two hours. Even after launch, reentry of Starship's two stages could require ground stops at some of the busiest airports in the country, according to a draft environmental impact statement (EIS) released by the Federal Aviation Administration this month.