What are the major airline carry-on dimensions? Each airline comes up with their own restrictions on size, weight, and number of items allowed in the cabin. Most airlines will accept 22 x 14 x 9 inches. Please check your airline's luggage restrictions prior to traveling. You may also reference our carry-on airline table for further information by clicking here... Have more questions? Submit a request Related articles Carry-on Airline Sizes How do I identify the model name of my bag? Warranty Product Information How do I contact Travelpro® Customer Care? How does the USB port work and where can I purchase the battery?