Masks, cleaning, filtration better than blocking middle seats - United CEO

(Reuters) - United Airlines Holdings Inc Chief Executive Scott Kirby said on Thursday that facial masks, aircraft cleaning and air filtration systems are better measures for preventing the spread of the coronavirus on airplanes than trying to social distance."You can't be 6 feet (1.83 meters) apart on an airplane, middle seat or not," Kirby said at a conference.While some rivals are capping the number of seats sold on an aircraft, United is giving passengers the option to re-book if their..