A total of 338 DC-7s of all types were purchased by 18 different airlines.
The fastest transport aircraft in service, the DC-7 cruised at 580 kilometers (360 miles) per hour. A total of 338 DC-7s of all types were purchased by 18 different airlines. Like other piston-engine airliners, it was made obsolete by the introduction of turbine-engine Boeing 707s and Douglas DC-8s. Some DC-7s later served as cargo and charter planes.