Almost all U.S. airlines have similar rules about carry-on bag allowances. Here's why they're important to follow.

An Air China Flight made an emergency landing after a passenger’s lithium battery caught fire in an overhead compartment.

The FAA is asking airlines to review their emergency evacuation procedures after passengers took carry-on items during recent evacuations, slowing exits and risking lives.

Despite the removal of the physical bag sizers at gates, American Airlines’ carry-on size restrictions remain unchanged.