MCALLEN – Wednesday is expected to be the busiest travel day for airline passengers.

Experts are predicting millions of people to take to the skies as they head to their holiday destinations.

Every passenger and crew member will have to pass through the security checkpoint on their way to the plane.

The Transportation Security Administration is offering tips on how to make it through the checkpoint in an efficient way.

If you're unsure what can't be brought on an airplane, you can go to the TSA website or download the ‘My TSA’ app.

For more information watch the video above.