American Airlines is doubling down on supersonic travel.The airline has agreed to purchase 20 supersonic "overture" plans from Boom Supersonic.This deal is the second firm order for Boom in the last two years.While still years away from building a commercial airplane, it's a step in the right direction for the company.Boom said that the overturned jet will fly as fast as 1,300 miles per hour, cutting international flight times by nearly half.American Airlines also has the option to purchase another 40 overtures in the future.These planes will be built at a plant in Greensboro.The first model is expected to roll out in 2025, with the first flight in 2026. Previous Coverage