In the past I've reviewed Delta's BusinessElite product on the Boeing 777-200, including Delta's old amenity kit.
Articles from April 2014
I recently had the pleasure of flying with Delta's 757-200E BusinessElite product. This was an internationally configured aircraft with sixteen seats in BusinessElite and coach behind the boarding door. Delta also uses this BusinessElite product on flights between JFK-SFO and JFK-LAX.