Originally Posted by
GunsOfNavarone
AA added two daily 321s between SLC and CLT, which is a new daily route for AA (use to be just weekend only service for ski season)...
US flew CLT-SLC for years before the AA merger. If memory serves, 3x day, possibly more. At least from when the HP-US merger happened (and I'm sure it existed prior, but that is when I started paying attention to US).
This thread might be handy for you to review, regarding changes to the upgrade list:
Lost upgrade / upgraded seat shenanigans? [master thread]