The Boeing 707 is a four-engine commercial passenger jet airliner developed by Boeing in the early 1950s. Its name is most commonly spoken as "Seven Oh Seven". Boeing delivered a total of 1,010 Boeing 707s, which dominated passenger air transport in the 1960s and remained common through the 1970s. Boeing also offered a smaller, faster version of the aircraft that was marketed as the Boeing 720
Pan Am was the first airline to operate the 707; the aircraft's first commercial flight was from New York to Paris on 26 October 1958 with a fuel stop in Gander, Newfoundland. American Airlines operated the first domestic 707 flight on 25 January 1959. Airlines which had only ordered the DC-8, such as United, Delta and Eastern, were left jetless for months until September and lost market share on transcontinental flights.
The 707 quickly became the most popular jetliner of its time. Its popularity led to rapid developments in airport terminals, runways, airline catering, baggage handling, reservations systems and other air transport infrastructure. The advent of the 707 also led to the upgrading of air traffic control systems to prevent interference with military jet operations.