701151 wrote on Nov 15^th, 2011 at 5:00am:

boeing247 wrote on Nov 15th, 2011 at 2:56am: If you got up early and your plane left at 6 a.m., you'd arrive in London at 3 in the afternoon. Well, you usually don't do business in far-off places the day you get there, usually you allow a day to get there, and get settled...

Depends on what else you are doing, a day spent settling in can be a day wasted. That was the beauty of flying on Concorde. You could time meetings in New York for the day of travel as if you were driving there by car or taking a train to a meeting.