In 2015, TSA officers intercepted 2,653 firearms in carry-on bags at airport security checkpoints across the United States.

An Austin, Texas-based startup has built an algorithm that predicts security wait times, which consumers can now access on iOS and desktop devices.
 

Eighty-seven percent of frequent flyers think that the Transportation Security Administration is doing either a poor or fair job in performing security screenings at the nation's airports.

Alaska Airlines just completed a test program that allowed passengers to use their fingerprints instead of government-issued IDs and boarding passes.
 

A survey says that passengers feel more negative emotions at the airport security checkpoint and during the baggage collection process than at any other points during the travel process.

Arline passengers left behind nearly $675,000 in loose change last year. 

In normal operating conditions, the barrier can be raised in four seconds. The barriers also have the extra capacity to lift vehicles, and they are equipped with a backup system that automatically switches to battery power during any outage.

Flight attendants will soon enjoy the same expedited screening as airline pilots – forgoing physical screening in favor of checking credentials against a current database. 

No wrapped presents, no soda, no snow globes, antlers or drill bits, but you can bring these 12 items, with a few guidelines.