On June 2, 1983, Air Canada Flight 797, which was flying on a Houston-Dallas-Toronto route, made an emergency landing at Cincinnati/Northern Kentucky Airport; about half of the passengers died of smoke and fire.
Cincinnati/Northern Kentucky International Airport has three terminals:
Chautauqua Airlines dba Delta Connection (Asheville, Columbus, Dayton, Greensboro, Houston Intercontinental, Indianapolis, Knoxville, Little Rock, Louisville, Orlando, Providence, Tulsa)
Comair dba Delta Connection (Akron-Canton, Albany, Allentown, Appleton, Asheville, Atlanta, Atlantic City, Austin, Baltimore/Washington, Bangor, Binghamton, Birmingham, Boston, Buffalo, Burlington, Cedar Rapids, Champaign, Charleston (SC), Charlotte, Charlottesville, Chattanooga, Chicago Midway, Chicago O'Hare, Cleveland, Colorado Springs, Columbia (SC), Columbus, Dallas Ft. Worth, Dayton, Daytona Beach, Des Moines, Detroit, Erie, Evansville, Fayeteville (AR), Flint, Ft. Lauderdale, Ft. Walton Beach, Ft. Wayne, Grand Rapids, Green Bay, Greensboro, Greenville, Harrisburg, Houston Intercontinental, Huntington, Huntsville, Indianapolis, Jackson, Jacksonville, Kalamazoo, Kansas City, Knoxville, Lansing, Lexington, Little Rock, Long Island Islip, Louisville, Madison, Manchester (NH), Melbourne, Memphis, Miami, Milwaukee, Minneapolis St. Paul, Moline, Montreal, Myrtle Beach, Nashville, Nassau, Newburgh, New Haven, Newport News, New York Kennedy, Norfolk, Oklahoma City, Omaha, Orlando, Panama City Beach, Philadelphia, Pittsburgh, Portland (ME), Raleigh-Durham, Richmond, Roanoke, Rochester, St. Louis, San Antonio, Sarasota, Savannah, Shreveport, Sioux Falls, South Bend, Springfield (MO), State College, Syracuse, Tallahassee, Tampa, Toledo, Toronto, Tri Cities, Tulsa, Washington Dulles, Washington National, White Plains, Wichita, Wilkes Barre, Wilmington (NC))
Delta Air Lines (Albany, Albuquerque, Amsterdam, Anchorage, Atlanta, Austin, Baltimore/Washington, Birmingham, Boston, Cancun, Chicago O'Hare, Cleveland, Columbus, Dallas Ft. Worth, Denver, Ft. Lauderdale, Ft. Myers, Frankfurt, Grand Rapids, Greensboro, Hartford, Honolulu, Houston Intercontinental, Indianapolis, Jackson Hole, Jacksonville, Kansas City, Las Vegas, Lexington, London Gatwick, Los Angeles, Louisville, Manchester (NH), Miami, Milwaukee, Minneapolis St. Paul, Nashville, New Orleans, Newark, New York La Guardia, New York Kennedy, Norfolk, Orange County (Santa Ana), Orlando, Paris Charles de Gaulle, Philadelphia, Phoenix, Portland (ME), Portland (OR), Providence, Raleigh-Durham, Richmond, Rome Fiumicino, St. Louis, Salt Lake City, San Antonio, San Diego, San Francisco, Sarasota, Seattle, Steamboat Springs, Tampa, Vail, Washington Dulles, Washington National, West Palm Beach)