Originally Posted by
UA-NYC
Lost in the category announcement (per One Mile at a Time) is that we will no longer be able to book 550 days in advance, only 350 now...because harmonization

I use this extended booking window several times each year. It has afforded me the ability to reserve lodging for sporting events before others realize the date of the event had been set. I will truly miss this ability.
Welcome to Marriott.