Occurrences : Flight Southwest Airlines Flight 1248 with a Boeing 737 Next Generation : "Southwest Airlines Flight 1248 (WN1248, SWA1248) was a scheduled passenger flight from Baltimore-Washington International Airport, in Baltimore, Maryland, to Chicago Midway International Airport, in Chicago, Illinois, to Salt Lake City International Airport in Salt Lake City, Utah, and then to McCarran International Airport in Las Vegas, Nevada." Source : DBPedia, licensed under GFDL