When traveling by air, it is important to take into account the size of the pet carrier that will fit under the airline seat. American Airlines offers a variety of pet carriers that will fit in the overhead compartment, but some may be too small or too large. To determine the size of pet carrier that will fit under your airline seat, first measure the distance from the ground to the bottom of the seat in front of you. This will give you the height of your pet carrier. Next, measure the width of your pet carrier at its widest point. This will give you the length of your pet carrier.
Finally, multiply the height by the width to get the weight of your pet carrier. Finally, multiply the height by the width to get the weight of your pet carrier.