The maximum dimensions of airline check-in luggage are usually stated in terms of linear inches: the sum of the item's length, width and height; most airlines seem to allow up to 62 inches total.
People Also Ask
The most common size for carry on luggage in the United States is 22 x 14 x 9? or 45 linear inches (length + width + height). The 22? height limit includes the wheels and handles for suitcases. Most airlines' size limits are similar to these dimensions.
You should check with your airline first, but most domestic airlines permit a carry-on piece of luggage that is 45 linear (total) inches. A common sized bag for carry-on luggage is 22x 14x 9. Most airlines have a carry-on weight limit of 40 pounds.
American Airlines carry-on dimensions should be no more than 22 inches X 14 inches X 9 inches (56 cm X 36 cm X 23 cm), including handles and wheels. All carry-on must fit the sizer at the departure gate. If the bag does not fit in the sizer, it will need to be checked.
While some airlines, primarily Southwest and Spirit Airlines, will allow a bag up to 50 linear inches, it's best to go for one that is around 45 linear inches or less.
To check your bag, measure in linear inches or centimeters (length + width + height). Up to 10 bags may be checked per passenger on flights operated by Delta or Delta Shuttle. Up to 4 bags may be checked bags on Delta Connection® carrier flights.
That said, all major airlines make their luggage sizing requirements clear on their websites, usually in terms of linear inches. So, you can save a lot of money by taking a few minutes to measure your bag before heading out to your flight.