Boeing grounded its fleet of Challenger 650 business jets for top executives.credit should read JOHANNES EISELE/AFP via Getty ImagesBoeing's CEO is cutting private jet use for executives to reduce costs.The company directed executives to fly economy on commercial flights instead.Boeing is searching for ways to save money after a rough year.Boeing's new CEO is cutting back on expensive private jet flights for the company's top executives in a cost cutting move.Boeing CEO Kelly Ortberg grounded much of the company's fleet of private jets and is now directing executives to fly economy on scheduled commercial flights, Bloomberg reported.Data from flight tracker Flightradar24, compiled by Bloomberg, shows that Boeing's number of private flights dropped from 146 in August to 56 in September and just 29 in October.Boeing's corporate planes collectively flew about 4,500 hours across some 1,800 flights in 2023, according to data from the aviation-tracking website JetSpy.