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.
Delta requires that passengers' carry-on bags must be smaller than 22 by 14 by 9 inches, which is roughly the size of a small suitcase or large backpack. If your carry-on bag is close to these dimensions, measure it carefully to ensure it's not too large.