Southwest Bans Humanoid Robots After Viral Flights Over Battery Safety

Southwest Airlines has banned human-like and animal-like robots from passenger cabins and checked luggage, citing safety concerns over the lithium-ion batteries used to power them. The policy shift follows two high-profile incidents that went viral: Aaron Mehdizadeh flew a 3.5-foot humanoid robot named Stewie from Las Vegas to Dallas, purchasing a standard passenger seat and having the robot walk through the terminal under its own power. On April 30, another robot named Bebop was brought aboard a Southwest flight from Oakland to San Diego, causing a nearly hour-long delay when crew realized it violated large carry-on policies and raised battery concerns. In both cases, crews struggled to classify the machines—were they passengers, carry-ons, or something else?

Southwest frames the ban as critical safety measure, emphasizing the fire risk posed by high-capacity lithium-ion batteries typical in advanced robotics. However, Mehdizadeh publicly disputed this rationale, arguing the modified battery used in Stewie was essentially a standard laptop battery. The airline has now established strict definitions: a “human-like robot” is one designed to resemble or imitate a human in appearance, movement, or behavior, and similarly for animal-like robots. As lifelike robots become more common in events and public spaces, this ruling raises broader questions about how other airlines will handle the growing presence of autonomous machines in travel environments.