The 990 Coronado's Failure Wasn't The End For ... However, the dream of faster-than-sound commercial flights still lives on today. American Airlines and United have signed a deal with Boom ...
When American Airlines went looking for an even faster ... so Convair proposed the 990 Coronado, which it said could hit Mach 0.83 (about 635 mph). Although the Convair 990 had some trouble ...