Originally Posted by
verso2
A few years ago, United started requiring MileagePlus members to login to their accounts using an alphanumeric username (rather than an email address) and password. I've been doing that, as recently as 9/26....
"alphanumeric username" has not been the standard for years. The standard has been UA MP Account Id and a password. Username and at onetime PINs have long been dropped although it appears username continued to work.