I went through Thursday and Friday coming and going. As others have noted, security is a little confusing regarding Clear and Precheck. On the plus side, I arrived at the terminal at noon Friday and there were no lines at all in security. The Clear stations are on the right as you face security. I did not see any mention of PreCheck, but I asked at the Clear entrance and was told one single entrance for both PreCheck and non PreCheck for Clear. I was taken right into PreCheck and went right through, so five minutes total.