How fast can airplanes travel? Julian explains how jet streams can get you traveling close to the speed of sound! Try the new Squarespace, at http://squarespace.com/dnews, and enter offer code “DNews” at checkout to get 10% off! Follow Julian on Twitter: https://twitter.com/jhug00 Read More: British Airways flight reaches close to supersonic speeds due to strong jet stream http://www.independent.co.uk/news/uk/ba-flight-reaches-close-to-supersonic-speeds-due-to-strong-jet-stream-9969832.html "Despite departing JFK late, a British Airways flight was able arrive early in Heathrow, notching up close to supersonic speeds on the transatlantic route, thanks to the 200mph jet stream." Jet stream Propels Commercial Plane Across Atlantic In Record Time http://www.iflscience.com/environment/commercial-plane-reaches-near-supersonic-speeds-during-flight-london "A commercial plane flying from New York to London Heathrow reached near-supersonic speeds on Thursday as it flew through