Originally Posted by
JBord
....
I booked ORD-STL-ORD. First flight is on Air Wisconsin (UX) and is a W fare. In the confirm email, online, and in the app the accrual information says this flight is "ineligible to accrue mileage or premier qualifying credit". ...
99.9999% sure this is just the standard, long running mis-reporting issue.
UX flights are classical examples
Nothing to do or care about unless it actually mis-posts which is exceptionally rare.