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.
Your carry-on bag * must fit under your seat or in the overhead bin; * should not be more than 9 x 14 x 22 in. (23 x 35 x 56 cm) (length x width x height) or 45 linear inches* (114 linear cm); and * may be required to travel as checked baggage if the bag cannot be safely stowed on a particular flight.