Update 1:04 a.m.: The Falcon 9 has left the launch pad! SpaceX launch in Florida five minutes away Update 12:59 a.m.: The GTO-1 mission is set to lift off in just five minutes! Now is the time to head outside to catch this launch! SpaceX launch webcast begins Update 12:54 a.m.: SpaceX's launch webcast hosted on X (formerly Twitter) is now posted above, right below the countdown clock. Liftoff is scheduled in 10 minutes from Cape Canaveral Space Force Station. 20 minutes until SpaceX launch from Cape Canaveral Update 12:44 a.m.: SpaceX has yet to make an announcement, yet all appears on track for a 1:04 a.m. liftoff. SpaceX plans to go live 15 minutes prior to the liftoff. SpaceX Falcon 9 fueling now underway in Florida Update 12:34 a.m.: Visual cues indicate Falcon 9 fueling procedures are now underway at Launch Complex 40, though SpaceX has yet to make an official announcement. That means tonight’s Starlink mission is now locked in to lift off at 1:04 a.m. without any countdown delays, or else the launch must be postponed. SpaceX launch countdown timeline Update 12:25 a.m.: If SpaceX is launching at 1:04 a.m., propellant load should begin in just minutes. Here's a behind-the-scenes rundown of SpaceX’s countdown timeline. T-minus: 38 minutes: SpaceX launch director verifies “go” for propellant load. 35 minutes: Rocket-grade kerosene and first-stage liquid oxygen loading begins. 16 minutes: Second-stage liquid oxygen loading begins. 7 minutes: Falcon 9 begins engine chill prior to launch. 1 minute: Command flight computer begins final prelaunch checks; propellant tank pressurization to flight pressure begins. 45 seconds: SpaceX launch director verifies “go” for launch. 3 seconds: Engine controller commands engine ignition sequence to start. 0 seconds: Liftoff.