The man hid in the landing gear compartment of the plane while he was in Miami.
A spokesman for the airline said that Flight 1182 landed at Miami International Airport at 10 a.m. on Saturday.
Mr. Garduo said that the plane was met by law enforcement due to a security issue. He said the airline was working with law enforcement.
The Customs and Border Protection said that it had taken into custody a man who tried to evade detection in the landing gear compartment of an aircraft that arrived in Miami on Saturday morning. The man was taken to a hospital for a medical assessment.
The agency said that people are taking extreme risks when hiding in confined spaces. This incident is under investigation.
The Miami-Dade Police Department, which has a station at the airport, did not respond to requests for comment on Sunday.
A man is standing on the tarmac a few feet from the plane's wheels in a video posted on Saturday. Two other men are wearing yellow vests and one says "American" on the back. The first man, wearing a jacket, jeans and black boots, appeared to be unwell and was sitting down. The video shows a small compartment inside the plane where the wheels and landing gear had been tucked for the duration of the flight.
The video was submitted by a worker at the airport who wanted to remain anonymous, according to Dan. A video on the account shows a man getting water from airport workers.
The American Airlines website shows that a flight from Guatemala City to Miami takes about two and a half hours. The flight tracking website says that American Airlines uses a Boeing plane for its flights from Guatemala City to Miami.
The FAA said that since 1947, there have been 129 attempts to get away from commercial aircraft in the wheel wells or other areas. The agency said 100 died of injuries or exposure during the flight.
A boy survived a five-and-a-half-hour flight from San Jose, Calif., to Maui, Hawaii, after he spent most of the flight unconscious in a wheel storage compartment.
The body of a man believed to have fallen from the landing gear compartment of a flight to the airport was found in the backyard of a house in southwestern London.
