Concorde was actually quieter (subsonic) than a lot of other aircraft in use when it was first released. Over time however as other commercial aircraft became q

Concorde was actually quieter (subsonic) than a lot of other aircraft in use when it was first released. Over time however as other commercial aircraft became quieter, Concorde wasn't developed any further, so by the end of its life it was very noticeable. The sonic boom really isn't an issue as long as you can fly that part of the route over the sea. Concorde often took longer routes to avoid flying over land, and it was still quicker than a more direct subsonic flight. Or you just fly supersonic over countries you don't care about - flights from London to Bahrain would fly supersonic from the Adriatic Sea crossing the Middle East over land to Bahrain. The Bahrain route is interesting, as today it is 5.5 hours and Concorde was 4 hours, so not that much difference. I'd rather spend an extra hour and a half on a much more comfortable and bigger aircraft. They also tried routes to Singapore (stopping in Bahrain to refuel), the total flight time was 9 hours, compared to non-stop flights today which are 13 hours. I wonder if developments in reducing the time subsonic aircraft take to reach and descend from cruising altitude could narrow that gap even further.