30 seconds. TSA has the stereo 3d cameras at a lot of ID/boarding pass checkpoints now, but all you have to do is say "no camera thanks" (and hold some paper ov

30 seconds. TSA has the stereo 3d cameras at a lot of ID/boarding pass checkpoints now, but all you have to do is say "no camera thanks" (and hold some paper over the lens if you want) and they will check you the regular way