Southwest Airlines, the world's largest low-cost carrier, operates a fleet of all Boeing 737 family of aircraft, of which the 737 MAX is the fastest currently operating for the Dallas-based carrier.

A lavish VIP 757-200, once owned by a tech billionaire, now serves as the private jet of a controversial political figure.

About 67 years ago, aviation was changed forever in America when Boeing launched its iconic 707. Boeing wasn’t alone, and ...