Carry-on policies go way beyond a simple two-bag rule.

This chart shows you the detailed policies of 11 major US airlines.

The rulesarent consistentbetween airlines, so it’s crucial that you know what youre getting into.

The sizes differ, of course, but so do limits on the weight of luggage.

Things like kennels, medical equipment and infant seats also have a different set of rules.

This guide is a good starting point to help you figure out the ultimate cost of your trip.

Since policies change, be sure to check with the airline before you travel.