Passengers flying within the 50 United States are limited to one (1) carry-on item according to the Federal Aviation Administration (FAA)) which must be small enough to store below your seat or in the overhead compartment. In addition to the one (1) carry-on, you may also carry one personal item, for example, a backpack, briefcase, handbag, or laptop. The carry-on size and weight regulations are listed below which are subject to change without notice.

Domestic Airlines > Max. Dimension > Carry-on/Passenger > Max. Weight

American Airlines..45 linear inches.............1...............40lbs

Continental........51 linear inches.............1...............40lbs

Delta Airlines.....22" x 14" x 9"...............1...............40lbs

Northwest Airlines.22" x 14" x 9"...............1...............40lbs

Southwest Airlines.24" x 15" x 10"..............1...............+

United Airlines....22" x 14" x 9"...............1...............40lbs

US Airways.........22" x 14" x 9"...............1...............40lbs

Domestic airlines do not charge extra for carry-on luggage if the weight exceeds the maximum weight. On small aircraft, the maximum carry-on weight allowance is 20lbs. 

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