Ryanair CEO Michael O'Leary.
Ryanair CEO Michael O'Leary.
  • Ryanair's Michael O'Leary criticized Boeing for ongoing delivery delays of 737 Max aircraft.
  • Boeing slowed production rates in the wake of January's Alaska Airlines blowout.
  • O'Leary also doubted certification timelines for Boeing's 737 Max 7 and Max 10.

The boss of Ryanair, Europe's biggest airline, is still unhappy with Boeing despite its new leadership.