https://deadline.com/2019/07/norah-odonnell-ratings-cbs-evening-news-debut-1202647900/

About 5.61 million tuned into Monday's broadcast, which was on par with CBS Evening News' numbers from last quarter. About 929,000 watched in the key 25-54 demo, down 24% from demo viewership a year ago.

Norah O'Donnell's CBS Evening News ratings are in freefall (https://nypost.com/2019/10/20/cbs-anchor-norah-odonnells-ratings-in-freefall/)

Viewership has been plunging by double digits. Last week saw O'Donnell's numbers drop 17% to 5.1 million and 25% in the key 25 to 54 demo. According to Page Six, that's steeper than her predecessor Jeff Glor's single-digit drops.