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| 2012 | 2011 | 2010 | 2009 | |
| Average Number of Passengers per Day | 62,136 | 61,347 | 60,100 | 57,407 |
| Total Commercial Passengers per Year (millions) | 22.68 | 22.39 | 21.94 | 20.95 |
| Percentage Change from the previous year | 1.3% | 2.1% | 4.7% | 2.3% |
| Top Five Passenger Airlines by Market Share CY 2012 | Southwest (57.72%) | |
| AirTran (13.51%) | ||
| Delta (9.70%) | ||
| United (6.03%) | ||
| US Airways (6.03%) | ||
| Number of Airlines Providing International Scheduled Service | 4 | |
| Air Canada | ||
| AirTran | ||
| British Airways | ||
| Condor (seasonal) | ||
| Number of International Nonstop Scheduled Destinations | 9 | |
| Aruba | ||
| Bermuda (seasonal) | ||
| Cancun, Mexico | ||
| Frankfurt, Germany (seasonal) | ||
| London, United Kingdom | ||
| Montego Bay, Jamaica | ||
| Nassau, Bahamas | ||
| Punta Cana, Dominican Republic | ||
| Toronto, Canada | ||
| Average Number of Domestic Nonstop Destinations (4/13) | 63 | |
| Top Five Domestic Origin and Destination Airports to/from BWI in 2011 |
Boston, Orlando, Atlanta, Fort Lauderdale and Tampa | |
| US Rank according to Airports Council International (ACI) | 23rd for passengers |