Most of the changes will affect business and first class cabins but some saver awards will also change. One of the biggest changes is the number of miles needed to fly in an upgraded section on partner airlines.
The changes become effective on all award tickets issued on or after February 1, 2014.
Since there are too many to mention in one blog post, here are links to United’s Current Award Chart and Future Award Chart so you can compare the differences. But bring a magnifying glass…..the writing is small.