Police said they responded to the main TSA security checkpoint for Hartsfield-Jackson Atlanta International Airport about the firearm.
The 58-year-old man faces a reckless conduct charge, and he was taken to the Clayton County Jail without incident, police said.
An employee with the Transportation Security Administration (TSA) was recently arrested at Hartsfield-Jackson Atlanta International Airport.
Travelers have also been forced to wait for extended periods of time to pass through security and endure long waits for flights.
Winter weather caused headaches for some travelers at Hartsfield-Jackson Atlanta International Airport on Tuesday, affecting over 1,100 flights.
Mayor Andre Dickens and some members of the Atlanta City Council say the airport general manager position is underpaid.
Hartsfield-Jackson Atlanta International Airport has officially been named the busiest airport in the world for the second year in a row. OAG's annual ranking of major airports again has ATL in ...
At Hartsfield-Jackson Atlanta International Airport, all runways and roadways were clear and operational the day after snow blanketed the region.
Airport officials say the combination of agents calling out and higher than normal number of travelers led to major delays.
Georgia's historic snowfall led to more than 50% of employees to call out at Hartsfield-Jackson airport, leading to lengthy travel delays.
An issue with TSA staffing prolonged wait times Wednesday morning as the airport dealt with weather-related delays.
The Atlanta airport is facing hundreds of delays and cancellations, as well as lengthy security wait times, as a winter storm hits the South.