Boeing Co. has experienced delays in resuming its 787 deliveries, as well as an uneven pace of deliveries of its 737 MAX planes. We expect the company's credit measures to remain weak for the rating this year but improve in 2023 as 787 deliveries likely resume and 737 MAX production steps up. We affirmed our 'BBB-/A-3' issuer credit ratings on the aerospace and defense company. The negative outlook reflects the possibility that Boeing's cash flow and credit ratios may not improve as we expect if it is unable to quickly resume its 787 deliveries, it delivers a lower number of MAX aircraft than we expect, or the recovery in global air travel stalls due to a COVID-19 resurgence or economic
