Originally Posted by southtahoe

Thank you for your help.

I went ahead and had a look on the mobile site as suggested.

The mobile site correctly lists me in my previously reserved seat. (i.e. no "---")
So I took screen shots and left it alone. I was afraid to click on my seat assignment, because I was not sure what would happen.

I went back to the ual.com website. On the ual.com website, the seatmap still shows "---".

So I guess I'm less concerned, but only by about 1%.