China Eastern's engine selection forms part of a wider package spanning spare engines and maintenance support.
Camera-based systems are operating at two airports, with five more locations named for deployment.
Delta outlines seasonal weekend flying for 2027, with extra frequencies and returning routes to mountain and coastal destinations.
New suites and business-class doors are planned from the second half of 2027, with certification shaping the rollout.
The FAA plans to install its new controller information display system at 435 sites by the end of 2028.
A global review of commercial flight
