Originally Posted by Dean Cooperfield_West

So you just use Skype, or postpone the meeting. Even with a 2.5h flight which is faster than Concorde is still doesn't give you the ability to attend two meetings.

Assuming one meeting started at 9 and ended at 10.30, you could be at LHR by 11.00, assuming the supersonic flight was at 12.00 you could be in JFK by 2.30pm. By the time you taxi, disembark, and clear customs and immigration is is 4.00pm. You get to the meeting by 4.30pm and finish at 6.00pm. Very optimistic and very tiring.