Boom CEO Blake Scholl has speculated that passengers would pay between $4,000 and $5,000 to fly from New York to London in three-and-a-half hours. Pricey for the average leisure traveler, perhaps, but Boom and major airlines see a big market for business travelers.

“Looking to the future, supersonic travel will be an important part of our ability to deliver for our customers,” said Derek Kerr, American’s Chief Financial Officer.