Avelo Airlines, an American ultra low-cost carrier, is headquartered in Houston, Texas. Originally operating as Casino Express Airlines and Xtra Airways, the company rebranded to Avelo Airlines on April 8, 2021. Its core mission is to offer affordable, reliable air travel with a focus on customer convenience and satisfaction. Avelo's services include scheduled flights with everyday low fares, industry-leading on-time performance, and nonstop routes primarily targeting underserved markets. The airline's first flight under the Avelo name took off on April 28, 2021, from Hollywood Burbank Airport to Charles M. Schulz–Sonoma County Airport.

Avelo Airlines has garnered attention for its commitment to providing budget-friendly travel options without compromising on service quality. The airline's leadership includes experienced aviation professionals who have previously held significant roles in other major airlines. Notable investors have supported Avelo's growth and expansion into new markets. Since its rebranding, Avelo has achieved significant milestones in customer satisfaction and operational efficiency, making a substantial impact in the ultra low-cost carrier segment of the aviation industry.