Which code corresponds to British Airways?

The code "BA" corresponds to British Airways due to the International Air Transport Association (IATA) airline designators, which are unique two-letter codes assigned to each airline. IATA codes are used globally for ticketing, travel itineraries, and for tracking flights. British Airways has been assigned the code "BA," making it instantly recognizable and distinct in the aviation industry.

The other choices represent different airlines: "LH" refers to Lufthansa, a major German airline; "UA" is the code for United Airlines, a major U.S. carrier; and "QX" represents Horizon Air, a regional airline operating in the Pacific Northwest of the United States. Each of these codes serves its specific airline, highlighting the importance of these identifiers in differentiating among the numerous airlines in operation worldwide.