Recently, a British Airways Boeing 747 set a new sub-sonic record for a flight between New York’s JFK and London’s Heathrow airports. The jumbo jet maxed out at 825 mph while riding a 200 mph jet stream tailwind to arrive in 4 hours and 56 minutes. – WTF Fun Facts
Source: https://www.independent.co.uk/travel/storm-ciara-flight-record-new-york-london-time-atlantic-winds-british-airways-a9325396.html
WTF Fun Fact – Storm Ciara Tailwind
This is still 2 hours more than what the Concorde did nearly 25 years ago (2 hours, 52 minutes, 59 seconds from take-off to touchdown aided by a 175 mph (282 km/h) tailwind on February 7th 1996 by the British Airways)
https://en.wikipedia.org/wiki/Concorde#Records