After the grounding of Boeing Co.’s 737 MAX jet dragged on through the summer, Dennis Muilenburg, the Boeing CEO, decided to seek some advice.

In 2017, Oscar Munoz, the chief of United Airlines Holdings Inc., had faced his own public backlash after police dragged a bloodied passenger off a flight. Boeing was under fire from industry officials and victims’ families who thought its response to two crashes of its newest plane was similarly tone-deaf.

Read More