Boeing executives have refused to crow about the problems that have engulfed Airbus, its arch-rival in the de facto monopoly controlling the market for large passenger and cargo jets.

The two companies have engaged in fierce battles for customers and disputes over state aid, but the crisis at Airbus also provides Boeing with a sharp reminder of the transformation of its own fortunes over the past two years following a period when many analysts and investors questioned its long-term commitment to the business.