Crystal Oliphant said she was picking up her husband from the airport Tuesday night.
Erik Sandoval, a reporter of the CBS affiliate in Orlando, shared video of SWAT entering the airport.
It was also discovered that the gun was fake.
Hundreds of officers responded to the scene, he added. Police realized the gun was fake once he was taken into custody. He is charged with one count of aggravated assault with a firearm on a law enforcement officer with a bond amount of $2,500.
"Gunman in custody. Everyone is safe".
Local media reports stated that the suspect was a marine, but there was no connection with him and the airport.
According to the airport's Twitter account, the FAA has placed a traffic management program in effect for arriving flights. Flight tracking websites indicated some flights were still departing. "Will post updates as we receive them", police tweeted.
Police on scene, area contained.
The Orlando Police Department tweeted that there was no active shooter, and that no shots have been fired.
The incident was initially reported at about 7:30 p.m.
Police are talking to a man armed with a gun in a parking garage in the Orlando airport.
A man, who asked not to be identified, saw Tuesday night's commotion and was cautious about returning to the airport Wednesday.
Airport officials said the shooting happened in the Terminal A auto rental area.
According to the airport's Twitter posts, the incident had minimal impact on its operations.