What is the correct designator code for Dallas, Texas?

The correct designator code for Dallas, Texas, is DFW, which stands for Dallas/Fort Worth International Airport. This airport serves as a major hub for domestic and international travel and is one of the largest and busiest airports in the United States. The DFW code is derived from the airport's name and reflects its geographical location, making it easily identifiable for travelers and within aviation systems.

The other options refer to different airports: ORD is the designator for O'Hare International Airport in Chicago; BOS represents Boston Logan International Airport; and ATL is the code for Hartsfield-Jackson Atlanta International Airport. Each of these codes corresponds to a distinct airport in a different city, further clarifying why DFW is the accurate choice for Dallas.