[{"cityName": "Milwaukee"}, {"cityName": "Atlanta"}, {"cityName": "Indianapolis"}, {"cityName": "Washington-IAD"}, {"cityName": "Charlotte"}, {"cityName": "San Francisco"}, {"cityName": "Minneapolis"}, {"cityName": "Las Vegas"}, {"cityName": "Chicago O Hare"}, {"cityName": "Houston-HOU"}, {"cityName": "Chicago-Midway"}, {"cityName": "Orlando"}, {"cityName": "Denver"}, {"cityName": "San Diego"}, {"cityName": "Oakland"}, {"cityName": "Nashville"}, {"cityName": "Washington-DCA"}, {"cityName": "Albuquerque"}, {"cityName": "Phoenix"}, {"cityName": "Houston-IAH"}, {"cityName": "Dallas Love Field"}, {"cityName": "New York-LGA"}, {"cityName": "Tampa"}, {"cityName": "Detroit"}, {"cityName": "Austin"}, {"cityName": "Cancun"}, {"cityName": "Ft. Myers"}, {"cityName": "St. Louis"}, {"cityName": "Salt Lake City"}, {"cityName": "Seattle"}, {"cityName": "Miami"}, {"cityName": "Dallas-Ft. Worth"}, {"cityName": "Philadelphia"}, {"cityName": "Los Angeles"}, {"cityName": "New York-JFK"}, {"cityName": "Baltimore"}, {"cityName": "Ft Lauderdale"}, {"cityName": "New Orleans"}, {"cityName": "Cincinnati"}, {"cityName": null}, {"cityName": "Portland"}, {"cityName": "Boston"}, {"cityName": "Little Rock"}, {"cityName": "Wichita"}, {"cityName": "Punta Gorda"}, {"cityName": "Gulfport"}, {"cityName": "El Paso"}, {"cityName": "Los Cabos "}]