This is really the problem with all the airports. The check-in/security line is too variable, so showing up really early is the only safe bet.. Then you end up

This is really the problem with all the airports. The check-in/security line is too variable, so showing up really early is the only safe bet.. Then you end up sitting around in the airport. Or alternatively showing up with the about right amount of time, and missing the flight once every dozen or so trips because the security line is wrapped around the building because of some random news tidbit that sends 50% of the precheck through the naked scanner/whatever.