How to check TSA wait times online

If you have been one of the millions of flyers hit by hours-long TSA wait times, or if you're one of the thousands of TSA agents working without pay during the partial federal shutdown: I am sorry.

As of March 24, more than 2 million travelers were passing through TSA daily, experiencing up to 6-hour wait times at the busiest airports. More than 480 TSA officers have quit in the 40-days since Department of Homeland Security funding lapsed. Another 3,000 have called out of work. The agents...