Hello, During my experience at the United Airlines San Antonio Office, I inquired about their pet policy and found the staff to be very helpful and informative. They clearly explained that for in-cabin pets, each passenger can bring one small cat or dog, with carriers fitting under the seat, and that a fee applies per pet each way. They also noted the option to bring two pets if a sec... https://rightcheckin.com/airlines/united-airlines-san-antonio-office-in-united-states/