In the United States, legacy airlines typically operate hub-and-spoke networks, establishing centralized airports for connecting flights. Examples include major hubs at London Heathrow (LHR) and Paris Charles de Gaulle (CDG). While historically many airlines depended on single-hub structures, today's networks are more extensive, with carriers like United (UAL), Delta (DAL), and American (AAL) actively evaluating potential new hubs.
Recent assessments highlight several U.S. airports with significant potential for becoming future airline hubs. Tampa International Airport (TPA) is seen as a likely candidate for Delta (DAL), which already serves the airport with intercontinental and domestic flights. Cincinnati/Northern Kentucky International Airport (CVG) is also considered a strong contender for Delta, given its existing market share and non-hub services.
Other airports such as San Diego International Airport (SAN), Cleveland Hopkins International Airport (CLE), and Austin–Bergstrom International Airport (AUS) are also evaluated for hub development. United Airlines (UAL) and Delta are the primary airlines linked to these locations, with United already operating at CLE and Delta showing an interest in TPA. Notably, SAN's passenger growth and strategic position make its airline hub prospects uncertain, but American Airlines (AAL) could find it fitting.
Overall, these airport evaluations reflect airlines' strategic planning to expand their networks, improve connectivity, and respond to rising passenger demands across popular leisure and business markets.
