One of the busiest travel days of the year got even busier at Baltimore-Washington Thurgood Marshall Airport Sunday when a woman gave birth just minutes after arriving on an incoming flight. An airport cop helped deliver the woman's healthy baby boy on the floor of an airport bathroom, and the mom and son were then taken to a local hospital, the Baltimore Sun reports. The woman has decided to keep her identity a secret, and it's not known how far along in the pregnancy she was before taking the flight. (More airport stories.)