Flying 1,300 mph on airplanes would be great. But future aviation has other plans.

In the year 2044, our cities might be energized by fusion power plants, our sleek cars may all run on electricity, and our doctors might regularly employ gene-editing to cure blindness. 
But our airplanes will probably still fly at the same speeds they did half a century ago: between 550 and 600 mph. 
Supersonic flight — which is to say speeds that exceed the speed of sound (768 mph) and can dramatically slash flight times — died out for civilians in 2003 with the reti