Originally Posted by
GeoMedic
IIRC, UA has not obtained new metal since the late 90's (reference airfleets.net). Efficiency could dictate the reduction of aircraft type. Might E+ simply go extinct?
Well, their Airbuses and 777's are new enough to fly for many more years, and only slightly older than CO's average fleet age.
The only truly ancient planes in the UA fleet at the 744's and the 752's, while their 763's are right on the cusp of becoming geezers...