- Service to several international markets shifted to Southwest Airlines. These flights were among the first-ever international flights for Southwest Airlines.
- Alaska Airlines started service at BWI Marshall Airport, with nonstop flights to Seattle.
- Runway 4-22 was permanently closed in August. As part of a major, multi-year series of airfield improvements, the runway was converted to a taxiway.
- BWI Marshall Airport was rated the healthiest U.S. airport by the Physicians Committee for Responsible Medicine. The organization found that 92 percent of the airport’s restaurants featured healthy options for travelers, the most among U.S. airports.