LOS ANGELES, CA - NOVEMBER 11: United Airlines Boeing 737-924 takes off from Los Angeles international Airport on November 11, 2020 in Los Angeles, California. (Photo by AaronP/Bauer-Griffin/GC Images) LOS ANGELES - The Centers for Disease Control and Prevention is working with United Airlines to contact any passengers who may have been exposed to a traveler presumably infected with the coronavirus who suffered a medical emergency on a Monday flight bound for Los Angeles International Airport and later died.The deceased passenger, who flew on UA591, was pronounced dead after the aircraft made an emergency landing in New Orleans on Monday, Dec.