Boeing 707 ushering in the Jet Age. It established Boeing as one of the largest manufacturers of passenger aircraft, and led to the later series of airliners with "7x7" designations. The later 720, 727, 737, and 757 share elements of the 707's fuselage design. The 707 was developed from the Boeing 367-80, a prototype jet first flown in 1954. A larger fuselage cross-section and other modifications resulted in the initial-production 707-120, powered by Pratt & Whitney JT3C turbojet engines, which first flew on December 20, 1957. Pan American World Airways began regular 707 service on October 26, 1958. Later derivatives included the
Longest flights hours, 35 minutes westbound. In January 2016, the start was postponed to March 31, 2016. In early March 2016, Emirates postponed the route until the end of 2016 or early 2017 or "as soon as conditions allow." , no further information has been given on the potential route. In April 2017, Qatar Airways announced that it will begin flying between Doha and San Francisco in 2018. The airline will use Boeing 777-300ER aircraft on the route. Delta has announced that it will resume nonstop flights from the United States to Mumbai in 2019. While the origin of the flight has