In the case of SLC, you cannot blame the airport or the weather. The airport was upgraded for the Olympics to CAT-IIIC which means you can land as long as you have good enough visibility to taxi. It is full auto land capable. But the aircraft and crew must also be capable and not all are.
https://www.youtube.com/watch?v=gthcuZV8agI From: Ron M. Sent: Tuesday, May 22, 2018 9:05 AM To: af@afmug.com Subject: Re: [AFMUG] PVU-SLC Actually, I almost had one of those a couple months ago, ceilings and fog in SLC just barely lifted above minimums enough to let us get in. Otherwise it would have been a DEN-PVU-SLC trip. On Tue, May 22, 2018 at 8:34 AM, Chuck McCown <ch...@wbmfg.com> wrote: That is one long flight! From: Forrest Christian (List Account) Sent: Monday, May 21, 2018 9:10 PM To: af Subject: [AFMUG] PVU-SLC Never been on a flight with this segment before. ..