![Map of US showing flight times from LAX to JFK. Commercial flight time: 5 hours. Speed: 575 mph. Supersonic flight time: 2.5 hours. Speed Mach 1.4.](images/faster.png)
Quieter
Right now, the rules say commercial planes can't fly faster than the speed of sound because of concerns about sonic booms. The X-59 is designed to reduce sonic booms to a quiet thump.
Quesst
The X-59 QueSST aircraft is only part of the mission.
The X-59 will fly over several cities in the U.S. as early as 2024 to help NASA collect data on the public’s perception to the quieter "sonic thump."
![Artist concept of a Low-Boom aircraft in flight over San Francisco, CA.](images/X-59-over-city.jpg)