Before boarding domestic flights, all airline passages ages 18 and older must to present REAL ID-compliant identification or another approved ID, such as a passport, a passport card, or a U.S. Department of Defense ID. The new rule also applies to TSA Precheck members.

If you don't have your Real ID in Illinois Wednesday but are flying, you will be able to get on a plane but you'll need to do some extra planning. Acting TSA Director Adam Stahl took us through it all.

Real ID enforcement begins at airport security checkpoints May 7. Here's what to expect, whether you have a Real ID or are using a different type of identification.