There are numerous airlines that accept pets in both cargo and cabin, so we will consider here which of these airlines are the best pet airlines. Remember, pets include birds, rabbits, kittens, hamsters or guinea pigs, but these animals have additional restrictions.
United Airlines - United Airlines' pet policy requires pets in the baggage and cargo areas and in the cabin. Some breeds of short-nosed dogs are not allowed as checked baggage or as cargo during the summer months from 1st June to 30th September. The breeds referred to are Shih Tzu, Boston Terrier, English bull, French bull, Lhasa Apso, Boxer, King Charles Spaniel, Pug, etc. Heat is a factor here. This does not affect the transport of pets in the cabin. So United Airlines can definitely be considered one of the best pet airlines.
Northwest Airlines - Northwest Airline's pet policy is that they are allowed in the cabin on all U.S. flights except Hawaii. They are accepted on some international flights but the airline must be contacted about it. Pets are also allowed in checked and checked baggage compartments. Northwest Airlines pride themselves on being the industry leader in transporting pets safely and efficiently. So the three options that Northwest Airlines offers for the transportation of pets are: Freight shipments (with passengers or traveling alone); Pets; pets traveling with checked baggage. Northwest Airlines is one of the best pet airlines.
Delta Airlines - Delta Airlines provides that they accept pets in the cabin, in checked baggage and in the trunk. There are restrictions on what type of pet is allowed in the cabin. They are dogs, birds, hamsters, guinea pigs, ferrets and cats. Animals that are banned include mice / rats, sugar gliders, spiders, pigs, frogs or reptiles. Delta Airlines boasts animal safety and comfort, but has some size guidelines, etc. Of pets. The animal (s) must be placed in a transport kennel which is inserted under the front seat or on the seat on which the passenger is seated. The pet will not be able to travel in the cabin if the flight is bound for Hawaii. Finally, the animal must be at least 8 weeks old.
American Airlines - American Airlines' pet policy requires pets to be allowed in the cabin and as checked baggage. It is not possible to book more than 7 pets on a cabin flight, therefore it is important to notify the airline in advance of the transportation of a pet. However, checked pets do not need a reservation. Dogs and cats are the limit of pets allowed on American Airlines.
The best airlines for pets are the four listed above determined by the breath of the policy for pets transported as in cabin, cargo or checked baggage.