Anything and everything anytime The Telegraph Boeing 777 reported at speeds of up to 745mph as it flies from New York to Heathrow in just 5 hours 16 minutes. _ Boeing 777 reported at speeds of up to 745mph as it flies from New York to Heathrow in just 5 hours 16 minutes _ Concorde may have been retired but a British Airways passenger jet approached supersonic speed this week as it rode a surging jet stream from New York to London. The Boeing 777-200 jet reached a ground speed of 745mph as it rode winds of more than 200mph across the Atlantic. At ground level, the speed of sound is 761mph. The happy result was a flight time of just five hours and 16 minutes for BA114, which arrived an hour and half before schedule, according to the tracking website, FlightAware.
Read more about Jet stream blasts British Airways 777 across Atlantic in record time
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