O'Hare International Airport has specific policies regarding pets and service animals to ensure a safe and comfortable environment for all travelers. Service animals, trained to assist individuals with disabilities, are generally permitted throughout the airport, including in terminals and public areas. These animals are defined by the Americans with Disabilities Act and must be allowed to accompany their handlers at all times.
As for pets, generally, they are permitted in designated areas of the airport, particularly if they are contained within appropriate carriers. However, the actual ability to bring pets into the terminal depends on the specific airline's policy, as each carrier may have different rules concerning pets traveling with passengers.
It is advisable for travelers to review the pet and service animal policies on the airline's website prior to their journey, as these policies can vary. For detailed information about O'Hare's own policies, it may be useful to consult the current web page dedicated to airport guidelines.