Originally Posted by
holocker
I tried CNS-SAN using the Delta Skymiles tool and the first page brought me to options with mileage levels, but when I clicked on a date it told me no flights were available from CNS-SAN
There's a known error. You need to click advanced search when it errors out. On the page it loads the last selection will for some reason have changed from Delta and Partners to Delta Only. Switch it and click submit and you'll get the results the calendar was telling you about.