Pratt & Whitney engines have not historically been less reliable than GE or Rolls-Royce engines. If they were, no airline would use them. And we don’t yet know

Pratt & Whitney engines have not historically been less reliable than GE or Rolls-Royce engines. If they were, no airline would use them. And we don’t yet know whether that is the case now. With only a few engine manufacturers this could easily be a coincidence. Engines are not Boeing’s responsibility. They are not even selected by Boeing, but by the customer airline.