Ryanair, Boeing's biggest European customer, said it could delay deliveries of some 737 MAX aircraft as it holds out for a trade deal between the U.S. and the European Union. The airline, Europe's ...

The discount airline’s results, and commentary from management, contained useful information for investors in the aerospace company.

The Ryanair boss said previous problems with Boeing jets fresh off the production line meant that every aircraft undergoes a safety inspection before it is allowed to fly under the carrier's name.