FILE PHOTO: A United Airlines Boeing 737-800 sits at a gate after arriving at O’Hare International Airport in Chicago, Illinois, U.S., June 5, 2019. REUTERS/Kamil Krzaczynski
FILE PHOTO: FILE PHOTO: United Airlines first new livery Boeing
FILE PHOTO: A United Airlines Boeing 737-800 sits at a gate after arriving at O’Hare International Airport in Chicago, Illinois, U.S., June 5, 2019. REUTERS/Kamil Krzaczynski