Originally Posted by
JeredF
I've encountered a relatively new problem I'd like to confirm -- UA agents are no longer able to change class-of-service on an existing LH booking unless the full route is available as a new ticket.
Has anyone else encountered this? Any ideas on the cause of the change?
This is noted in the wiki above: “
Changing any segment MIGHT require current availability for all existing Os&Ds in the PNR (as if a brand new booking is made) - YMMV”
It has been the case since 2016. Many of us have found it isn’t always the case though. YMMV truly applies.