Originally Posted by Often1

Won't work on UA anymore. As soon as you switch from MP to some other *A #, if you are in E+, you lose the E+ seat unless you paid for the single trip or annually. UA has cracked down pretty hard on GA who leave you in E+ without a stated reason. The risk of doing this at the last minute is that the remaining seat(s) may be E- middles next to the lavs.