Originally Posted by GUWonder

For peak hour processing of passengers, the TSA can reduce passenger wait+process times by least 25% on average at those times by one simple switch:

providing PreCheck LLL screening as default screening for all but 20% of passengers.

That is without adjusting staffing levels.

TSA won't do this and make PreCheck LLL type screening the default unless and until Congress makes PreCheck LLL screening the default by statute. I am not holding my breath -- much as some may wish -- waiting for that to happen.