Southwest Airlines leads Baltimore/Washington International Airport's flight operations in December

Baltimore/Washington International Airport (BWI) is set to handle nearly 8,300 flights in December, with Southwest Airlines holding a dominant 74% market share. The airport is experiencing a 6% decrease in seat capacity compared to last year. The busiest route this month is to Atlanta, with 535 flights and 97,796 seats available. Orlando follows with 425 flights, primarily operated by Southwest. Boston ranks third, with 351 flights, again led by Southwest. Other notable routes include Fort Lauderdale and Tampa, with 289 and 261 flights, respectively. Overall, Southwest Airlines remains the largest carrier at BWI, significantly influencing the airport's flight operations.