Which airline's code is UA?

The airline code "UA" corresponds to United Airlines, which is a major American airline known for its extensive domestic and international flight operations. The International Air Transport Association (IATA) assigns unique two-letter codes to airlines, and United Airlines has been designated the code UA. This code is used widely in airline booking systems, schedules, and baggage tags to identify United Airlines flights.

In this context, the other airlines mentioned each have their unique codes: American Airlines uses AA, British Airways uses BA, and Hawaiian Airlines uses HA. This distinction helps passengers and airline staff accurately identify flights and manage travel logistics.