Delta Air Lines said Tuesday that a cyber security breach involving an online chat service it uses put some customer payment information at risk.

Atlanta-based Delta said it was notified of the "cyber incident" March 28 by online chat service provider [24]7.ai. From Sept. 26 to Oct. 12, 2017, "certain customer payment information" for clients of the online chat service including Delta may have been accessed.

The airline said it will contact customers who may have been affected by the cyber incident. "In the event any of our customers' payment cards were used fraudulently as a result of the [24]7.ai cyber incident, we will ensure our customers are not responsible for that activity," Delta said in a written statment.

The airline will also launch a website by noon April 5 at delta.com/response to address customer questions and concerns.

Delta said no other customer personal information such as passport, government ID, security or SkyMiles information was affected.

The airline said it “engaged federal law enforcement and forensics teams.”

“At this point, even though only a small subset of our customers would have been exposed, we cannot say definitively whether any of our customers' information was actually accessed or subsequently compromised,” Delta said in a written statement.

[24]7.ai issued a statement saying that the incident affected “a small number of our client companies,” and it has notified affected clients.

About the Author

Keep Reading

The 2026 FIFA World Cup will expand to 48 teams, marking the first expansion of the field since 1998. (Jason Getz/AJC)

Credit: Jason Getz / Jason.Getz@ajc.com

Featured

Managing Partner at Atlantica Properties, Darion Dunn (center) talks with Atlanta Mayor Andre Dickens during a tour following the ribbon cutting of Waterworks Village as part of the third phase of the city’s Rapid Housing Initiative on Wednesday, Dec. 3, 2025.
(Miguel Martinez/AJC)

Credit: Miguel Martinez-Jimenez