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ScottW said:
It is my understanding that your known traveler # on your reservation gets you precheck on your boarding pass. The airlines do not differentiate between types of known traveler #'s.

See this chart- https://www.dhs.gov/comparison-chart

But, we are dealing with government programs, so no answer is ever definitive.

Fortunately, my wife and I have always had precheck on our boarding pass since we got Global Entry.


We were told at our global entry interview that precheck was not guaranteed, that it was random. We have had a couple of times where one of us got precheck and one didn't, so have verified that it is, indeed, random.