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 biggest by passenger numbers,

Ryanair Holdings Plc said that any tariff cost would be on Boeing Co. to bear, as the Irish budget airline demanded a return to a no-duties regime that that has governed the industry for close to half a century.

Ryanair Holdings (NASDAQ:RYAAY) (OTCPK:RYAOF) on Monday asserted that any tariff-related costs should be absorbed by Boeing (NYSE:BA), as the Irish low-cost carrier firmly called for a reinstatement of the long-standing no-tariff framework that has underpinned the aviation industry for nearly 50 years.

Ryanair is considering boosting the incentive for its staff to identify oversized passenger luggage, its chief executive has revealed – as quarterly profits more than doubled thanks to strong Easter demand and higher fares.

Ryanair boss Michael O'Leary has said the airline is considering increasing a bonus it pays to workers for identifying passengers with oversized bags. Staff currently receive €1.50 (£1.30) if they intercept customers who are trying to bring bags that are too large on a Ryanair plane.

Ryanair has a reputation for cost control, and it actually rewards staff for identifying bags that are too big to be carried on board.