Originally Posted by
PsiFighter37
Maybe there are particular missions where UA could use the 777X (e.g. similar to how NH uses their A380s for solely NRT-HNL service), but I am not sure UA sees the value (or there is value) to having a small subfleet of a plane that would serve purely high-density routes.
The 779 can't serve "high density" routes even if United wanted it to -- it's too limited on seating capacity.