I recently discovered that the Transportation Security Administration (TSA) has a website of Security Checkpoint Wait Times. Though the information on the site is based on historic data, it might nevertheless provide some solace to frequent fliers.
After entering your departure airport, day of the week, and time of flight, the website will pull up estimates (average and maximum minutes) of the length of time you might spend going through security. Even better, estimates are provided for all the security checkpoints in an airport. So even if you have to be at the airport during peak hours, you might be able to breeze your way through a less popular security checkpoint.
Terminal 3, Checkpoint 7A, here I come!
Link: TSA Security Checkpoint Wait Times
Photo: Security at Dulles Airport from gisarah's Flickr photostream
