Chicago based United Airlines having a large number of domestic and international route networks offers United Airlines pet policy for its pet lover travelers. If you are a pet lover and want to travel with your pets, make United Airlines reservations and keep seeing your pets traveling with you on United Airlines flights. United allows only certain types of pets in the main cabin on certain flights. Different countries have their own pet travel policies. If you are planning to have a United Airlines pet reservation, we will guide you on how your pets can travel by air.