But a city of Atlanta audit in 2016 found that the airport had not been consistent in checking restaurant prices.
The audit also found that a sampling showed that about half of 22 items checked had prices more than 10 percent above local prices.
Examples in the audit report: An Asian chopped chicken salad that typically goes for $7.49 costs $9.29 at the airport. A combo meal with a local price of $6.76 costs $7.99 at the airport. A chicken entree that costs $8.69 at a local store costs $9.99 at the airport.
Hartsfield-Jackson said at the time that monitoring prices “requires constant vigilance on the part of the airport,” and struck a $340,000 contract with a company to do market basket pricing surveys.
“There is a distinct perception among the public that airports are overcharging,” airport documents for the contract said.
Airports focus heavily on growing revenue from concessions. Hartsfield-Jackson brings in $1 billion in revenue from concessions and car rentals annually.
At the airport, contracting for new concessions has been on hold for well over a year, amid controversy over airport contracts and a federal investigation into corruption at Atlanta City Hall.
More than 80 new shops throughout the airport, new restaurants on Concourse E and other new restaurant spots have been on hold since 2016 and 2017.
Some of the restaurant contracts were put on hold after the 2016 firing of the airport manager at the time, Miguel Southwell. Others were put on hold amid the 2017 mayoral election.
Atlanta Mayor Keisha Lance Bottoms has said she plans to rebid the contracts under a revamped city contracting process. Airport officials said they plan to restart the contracting process for restaurants on Concourses E and B around late April and for the shops throughout the airport this summer.