The JSX route map spans from New York to California, though most routes are on the West Coast. Major hubs include Burbank (BUR), Dallas (DAL), Las Vegas (LAS), and Westchester County, NY (HPN).

"Unlike a true private-jet charter, JSX schedules flights in advance on a set route map. To fly, you'll buy a seat ticket online like any other airline," he said. "However, JSX flights have their ...