United Launch AllianceTBD
Atlas V N22 | Starliner-1
Pad: Space Launch Complex 41 · Cape Canaveral SFS, FL, USA
Starliner-1 is the first operational flight of a Starliner spacecraft to the International Space Station as part of NASA's Commercial Crew Program. Due to problems with the Starliner spacecraft's RCS attitude control system during the Crew Flight Test mission in 2024, this mission has been re-scoped to not carry a crew by NASA. It will instead deliver necessary cargo to the orbital laboratory and allow in-flight validation of the system upgrades implemented following the Crew Flight Test mission.
Liftoff Telemetry ClockUTC / SYNCED
T-
54Days
:12Hours
:24Mins
:18Secs
Atlas V N22
LiftoffAtlas V 541 Liftoff from SLC-41
Photo: NASA / Bill Ingalls
Get Alerted for Atlas V N22 | Starliner-1
Receive an email alert 1 hour prior to liftoff with live webcast links.
Mission Broadcast Archive
Atlas V N22 | Starliner-1 Live Coverage
Official Webcast Feed Scheduled
Live broadcast embeds typically go live 15 to 20 minutes prior to launch window liftoff. Check the official United Launch Alliance channels or Spaceflight Now for live feeds.
Host: United Launch Alliance Flight OpsWindow: Thu, 31 Dec 2026 00:00:00 GMT
Status: TBD
🛰️ Mission Orbital & Environment Matrix
- Target Orbit
- LEO
- Target Altitude
- 550 km
- Inclination
- 53.2°
- Weather Violation Risk
- 10%
- Primary Payload
- Starliner-1
- Launch Window
- Thursday, December 31, 2026 at 12:00 AM UTC – 12:00 AM UTC
🚀 Vehicle Architecture & Stage Configuration
- Architecture Type
- Single-Use Expendable
- Recovery Strategy
- None (Ocean Trajectory)
- Core Propulsion
- Liquid Cryogenic / Staged
- Upper Stage
- High-Energy Re-ignitable
- Fairing Shroud
- Standard Aerodynamic Shroud (Direct Jettison)
- Vehicle Architecture
- Atlas V N22 Propulsion & Staging Specs →
⏱️ Operational Timeline Milestones & Staging Sequence
Target T-0: 2026-12-31Terminal Count
T-00:15:00Autonomous launch sequence start
Auto Sequence
T-00:03:00Flight computer assumes control
Liftoff
T-00:00:00Stage 1 main engine ignition & liftoff
MECO & Stage Sep
T+00:02:40Main engine cut-off and stage separation
Stage 1 Landing
T+00:08:30Booster touchdown on recovery vessel / zone
Payload Deploy
T+00:45:00Spacecraft insertion into target orbit
Launch Complex & Spaceport
Space Launch Complex 41
Cape Canaveral Space Force Station · Cape Canaveral SFS, FL, USA
Launch Mount
ULA Space Launch Complex 41 Launch Mount
United Launch Alliance Space Launch Complex 41 with four 100-meter catenary lightning suppression masts.
Photo Credit: NASA / Kim ShiflettSLC-41 is ULA's primary East Coast heavy launch facility. The pad was the departure point for historic NASA planetary missions including New Horizons to Pluto, the Curiosity and Perseverance Mars rovers, and the OSIRIS-REx asteroid sample return.
Operator
United Launch Alliance (ULA)
Elevation
4 meters (ASL)
Azimuth Range
35°
Flight History
140+ National Security & Planetary Missions
Key Pad Facilities & Ground Support Equipment (GSE)
Vertical Integration Facility (VIF)Tall assembly building where Atlas V and Vulcan rockets are stacked atop mobile launch platforms.
Crew Access Tower (CAT)Dedicated tower providing astronauts entry into the Boeing Starliner capsule.