The title for the busiest non-commercial (general aviation) airport in the U.S. is consistently held by Van Nuys Airport (VNY) in Los Angeles, California. Unlike "commercial" hubs like LAX or ATL, Van Nuys does not host scheduled airline service; instead, it serves as a massive hub for private jets, corporate aviation, flight schools, and emergency services. In 2026, it remains a critical infrastructure point for the entertainment and business elite of Southern California, handling hundreds of thousands of takeoffs and landings annually. Other major contenders for this title include Teterboro Airport (TEB) in New Jersey, which serves as the primary private gateway for New York City, and Deer Valley Airport (DVT) in Phoenix, which is one of the busiest training airports in the world. These airports are vital to the economy, providing a specialized environment for non-scheduled flight operations that would otherwise congest the large commercial passenger terminals.