Information:  - Havana (Spanish: "La Habana") is the capital city, largest city, province, major port, and leading commercial centre of Cuba. The city proper has a population of 2.1 million inhabitants, and it spans a total of  making it the largest city by area, the most populous city, and the third largest metropolitan area in the Caribbean region. The city extends mostly westward and southward from the bay, which is entered through a narrow inlet and which divides into three main harbours: Marimelena, Guanabacoa and Atarés. The sluggish Almendares River traverses the city from south to north, entering the Straits of Florida a few miles west of the bay.  - A jet aircraft (or simply jet) is an aircraft (nearly always a fixed-wing aircraft) propelled by jet engines (jet propulsion).  - Cuba, officially the Republic of Cuba, is a country comprising the island of Cuba as well as Isla de la Juventud and several minor archipelagos. Cuba is located in the northern Caribbean where the Caribbean Sea, the Gulf of Mexico, and the Atlantic Ocean meet. It is south of both the U.S. state of Florida and the Bahamas, west of Haiti, and north of Jamaica. Havana is the largest city and capital; other major cities include Santiago de Cuba and Camagüey. Cuba is the largest island in the Caribbean, with an area of , and the second-most populous after Hispaniola, with over 11 million inhabitants.  - The City of New York, often called New York City or simply New York, is the most populous city in the United States. With an estimated 2015 population of 8,550,405 distributed over a land area of just , New York City is also the most densely populated major city in the United States. Located at the southern tip of the state of New York, the city is the center of the New York metropolitan area, one of the most populous urban agglomerations in the world. A global power city, New York City exerts a significant impact upon commerce, finance, media, art, fashion, research, technology, education, and entertainment, its fast pace defining the term "New York minute". Home to the headquarters of the United Nations, New York is an important center for international diplomacy and has been described as the cultural and financial capital of the world.  - John F. Kennedy International Airport is a major international airport located near South Ozone Park in the borough of Queens in New York City, United States, southeast of Lower Manhattan. It is the busiest international air passenger gateway into the United States, the fifth busiest airport in the United States and the busiest airport in the New York City airport system, handling 56,827,154 passengers in 2015. Over ninety airlines operate out of the airport, with non-stop or direct flights to destinations in all six inhabited continents. The airport features six passenger terminals and four runways. It serves as a hub for American Airlines and Delta Air Lines and is the primary operating base for JetBlue Airways. In the past, JFK served as a hub for Eastern, National, Pan Am, and TWA. In 2016 the airport served 58.8 million passengers.  - Key West is southwest of Miami by air, about by car, and north-northeast of Havana, Cuba. Cuba, at its closest point, is south. Key West is a seaport destination for many passenger cruise ships. The Key West International Airport provides airline service. Naval Air Station Key West is an important year round training site for naval aviation due to the tropical weather, which is also the reason Key West was chosen as the Winter White House of President Harry S. Truman. The central business district is located along Duval Street and includes much of the northwestern corner of the island. The official city motto is "One Human Family."<section begin=chapter1 />  - A clipper was a very fast sailing ship of the middle third of the 19th century. They were fast, yacht-like vessels, with three masts and a square rig. They were generally narrow for their length, could carry limited bulk freight, small by later 19th century standards, and had a large total sail area. Clipper ships were mostly constructed in British and American shipyards, though France, Brazil, the Netherlands and other nations also produced some. Clippers sailed all over the world, primarily on the trade routes between the United Kingdom and its colonies in the east, in trans-Atlantic trade, and the New York-to-San Francisco route round Cape Horn during the California Gold Rush. Dutch clippers were built beginning in the 1850s for the tea trade and passenger service to Java.  - Pan American World Airways, known from its founding until 1950 as Pan American Airways and commonly known as Pan Am, was the principal and largest international air carrier in the United States from 1927 until its collapse on December 4, 1991. Founded in 1927 as a scheduled air mail and passenger service operating between Key West, Florida, and Havana, Cuba, the airline became a major company credited with many innovations that shaped the international airline industry, including the widespread use of jet aircraft, jumbo jets, and computerized reservation systems. It was also a founding member of the International Air Transport Association (IATA), the global airline industry association. Identified by its blue globe logo ("The Blue Meatball"), the use of the word "Clipper" in aircraft names and call signs, and the white pilot uniform caps, the airline was a cultural icon of the 20th century. In an era dominated by flag carriers that were wholly or majority government-owned, it was also the unofficial overseas flag carrier of the United States. During most of the jet era, Pan Am's flagship terminal was the Worldport located at John F. Kennedy International Airport in New York City.  - The International Air Transport Association (IATA ) is a trade association of the worlds airlines. Consisting of 268 airlines, primarily major carriers, representing 117 countries, the IATA's member airlines account for carrying approximately 83% of total Available Seat Kilometers air traffic. IATA supports airline activity and helps formulate industry policy and standards. It is headquartered in Montreal, Canada with Executive Offices in Geneva, Switzerland.  - This is a list of destinations of Pan American World Airways before closure , or at closure ( 1991 ) , served by mainline operations . Refer to Pan Am Express for a full list of regional destinations served between 1981 and 1991 .  - In broadcasting and radio communications, a call sign (also known as a call name or call lettersand historically as a call signalor abbreviated as a call) is a unique designation for a transmitter station. In North America, they are used for all FCC licensed transmitters. A call sign can be formally assigned by a government agency, informally adopted by individuals or organizations, or even cryptographically encoded to disguise a station's identity.  - A flag carrier is a transportation company, such as an airline or shipping company, that, being locally registered in a given state, enjoys preferential rights or privileges accorded by the government for international operations. The term also refers to any carrier that is or was owned by a government, even long after their privatization when preferential rights or privileges continue.    What is the relationship between 'pan am destinations' and 'airport'?
A:
is a list of