Flying between LIH and SFO and to the UK: I seem to always have Pre Check.
My husband (different last name) has it about 50% of the time!!!

No point in me getting thru security in 2 min if it takes him 20min. I have looked on the United web site and there doesnt seem to be any link to opt in for Pre Chek?
Is this just another "change we will like?"