Mr. Gordon Bethune says it perfectly:
If the ECONOMICS are right! As we have no data at all, just some fancy looking picture (which does itself imply that this bird will be a nightmare for the ground handlers), t is not possible to say what this idea is going to create. But, unless Boeing discovered new physics and materials (which is unlikely) that bird is going to cost a lot of money = high seat costs. And this brings me back to the parallel with Concorde: how many people are prepared to pay higher prices for gaining 2 to 3 hours?
JN
They used to have 4 round trips on Concorde, but this was quikly reduced to 2 only, as there was not sufficiant demand!!!!!
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There's nothing like a three-holer...