Along with the weight restrictions, most U.S. airlines have a size restriction of 62" linear inches and these sizes may exceed that size, especially when expanded.
The 62 Linear Inches Rule: This rule is for the luggage that you check-in, that is, the one that goes into the airplane's cargo section. It states that the luggage can only be a total of 62 linear inches in size, and a maximum of 50 lb in weight.
Linear inches is a term invented by the airline industry to measure baggage.. allow two checked bags and those bags cannot exceed 62 linear inches in size.
Enjoy free shipping and easy returns on several luggage sizes from Kohl's. Learn about. Typically, the maximum carry-on size is 45 linear inches or smaller.
PRO TIP: If you know you're going to need a carry-on or a checked bag, buy it right. Checked bags: Maximum of 62 linear inches (length + width + height; 158
Generally speaking, the maximum carry-on size is usually 45 linear inches, and the maximum checked-bag size is usually 62 linear inches.