On December $15,2015,$ at $5$:$23$pm central standard time $($CST$),$ Southwest Airlines flight $31,$ a Boeing $737-300,$ N$649$SW$,$ exited the taxiway while taxing to the gate and came to rest in a ditch at the Nashville International Airport $($BNA$),$ Nashville, Tennessee. Nine of the $138$ passengers and crew onboard received minor injuries during the evacuation and the airplane was substantially damaged.