United Schedule Change…. OK, what changed?

I got an email this morning from United Airlines with the subject heading “United Airlines Schedule Change Notice”. I opened it thinking what the fuck!

They provided me with this new schedule:

I review it and still see I am flying on the same day. I then pull up the old schedule:

I logged into united.com and my seats were exactly the same… so the question still remains unanswered.. what changed?