Originally Posted by
marcus613
Yesterday I was aboard UA104 from LAS to IAD on a 757. About half way into the flight the captain comes on and announces that "normally I don't interrupt with flight information" but we are currently cruising at 37,000 feet with a tail wind of 180kts so the effective ground speed is 748mph.
That's getting way up there. Looking at
groundspeedrecords.com, 650 kts (748mph) is the third fastest reported for a 757.
180kts (207mph) is the second fastest I've ever heard on one of my flights (225 tailwind and 800 indicated on the IFE is my tops - not sure I believe the 800)