Definition of abbreviation. 1 : a shortened form of a written word or phrase used in place of the whole word or phrase âAmtâ is an abbreviation for âamount.â âUSAâ is an abbreviation of âUnited States of America.â.
The limit at those airlines stands at 22 inches tall by 14 inches wide by 9 inches deep. Southwest allows carry-ons that are 24 by 16 by 10. But IATA's recommendation is just that. Though the trade group is an influential mouthpiece for the industry, airlines are not obligated to adopt the carry-on standards.
Step 1. Check your airline's size limits for carry-on luggage. Most airlines allow you to bring on one personal item such as a purse or briefcase, as well as one larger item such as a backpack. For many airlines, the maximum size of a carry-on item is 22 by 14 by 9 inches. If your filled backpack is larger, you'll need to check it.