What is the airport code for Baltimore, Maryland?

The airport code for Baltimore, Maryland, is BWI. This acronym stands for Baltimore/Washington International Thurgood Marshall Airport, which is the primary airport serving the Baltimore area. The "B" in BWI represents Baltimore, while the "W" indicates its connection to Washington, D.C., highlighting its role as a regional airport serving both cities.

Other codes listed are associated with different airports: ABQ is the code for Albuquerque International Sunport in New Mexico, ANC refers to Ted Stevens Anchorage International Airport in Alaska, and ABI is the code for Abilene Regional Airport in Texas. Each of these airports serves a specific geographic region, but BWI is directly linked to Baltimore, making it the correct answer in this context.