Southwest Airlines does not allow human-like or animal-like robots to be transported in the cabin or as checked baggage, regardless of size or purpose.
A “human‑like robot” is a robot designed to resemble or imitate a human in its appearance, movement, or behavior.
An “animal-like robot” is a robot designed to resemble or imitate an animal in its appearance, movement, or behavior.
All other robots, including toys, must be able to fit within a carry-on size bag and comply with existing battery restrictions.