By Isabella RossiJune 5, 2026 Business American Express Unveils First-Ever Sidecar by The Centurion® Lounge: A Unique and Intimate Experience at Las Vegas’ Harry Reid International Airport American Express has unveiled its first-ever Sidecar by The Centurion® Lounge at Harry Reid International Airport, Las Vegas. This innovative, intimate lounge offers travelers a premium, personalized experience.