While traveling with your pet, passengers can be a bit confused about which pet is allowed and which documents are important. Airlines' pet policy contains all the regulations, whether you want to book a slot for them, or want to know the details of cabin carrier and cargo kennels. Some airlines allow pets in checked luggage, but most of them don’t. If your pet is big in size transpostation with kennels is the best option. The pets are also permitted inside the cabin. Here is the detailed policy for traveling with pets.