As of June 1, Delta will now be offering nonstop flights between KSTL (St. Louis) to KSLC. Delta will operate one flight daily between St. Louis Lambert Int'l to Salt Lake daily. Right now Delta and Delta Connection Skywest operate 267 flights daily to SLC. And on June 30th, introductory fares for this new route will be as low as $79.
I found this out on www.delta-air.com/gateway/about/press/index.html
Good for Delta! That's my favorite airline!