Delta Air Lines has been promoting its artificial intelligence assistant as a way to make travel easier.
But one passenger says it made her trip considerably more complicated.
The Delta Platinum Medallion member turned to Delta Concierge with what appeared to be a simple request involving a round-trip award ticket between New York and Los Angeles. She needed to cancel one flight while keeping the other.
The AI assistant assured her that everything had been handled correctly.
It wasn’t until she received the refund notice that she realized the flight she still needed had disappeared, too.
Delta Air Lines’ AI Canceled An Entire Trip After Saying It Hadn’t
The passenger, identified on X (formerly known as Twitter) as Colleen McCarthy (@LAWL_een), had booked a round-trip SkyMiles ticket between New York’s John F. Kennedy International Airport and Los Angeles International Airport.
Her itinerary included Delta Flight 752 from New York to Los Angeles and Flight 938 back to New York.
McCarthy only wanted to cancel the outbound journey. She still needed Flight 938 home.
Screenshots shared in her X complaint show Delta Concierge apparently understanding what she was requesting.
“Your JFK to LAX flight has been canceled, and your LAX to JFK flight remains booked,” the AI reportedly told her.
Instead, Delta refunded all 32,400 SkyMiles and the full $11.20 in taxes from the original reservation. According to McCarthy, the refund notice showed that both flights had been canceled.
Rebooking The Canceled Flight Reportedly Cost Nearly Twice As Much
McCarthy then contacted Delta Air Lines customer service for help.
Rather than restoring the flight at its original value, McCarthy says the carrier wanted her to book it again for nearly twice as many miles.
Delta Air Lines uses dynamic pricing for SkyMiles tickets, so award prices can change at any time. A flight that costs one amount as part of a round trip may be significantly more expensive when booked later as a one-way ticket.
That may explain why the replacement price was higher.
However, it doesn’t explain why Delta’s AI canceled the return flight after assuring the passenger that it wouldn’t do so.
It’s unclear whether Delta Concierge itself issued an incorrect cancellation command or whether an underlying reservation system mishandled the request.
But from the passenger’s perspective, it doesn’t really matter how the mistake happened. The customer-facing AI said her flight was still booked when Delta’s records later showed otherwise.
Delta Air Lines wants its AI to do more than answer questions
The company introduced Delta Concierge as a generative AI assistant inside the Fly Delta app. It was initially launched as a beta product to selected SkyMiles members. The airline said the system could answer questions, retrieve trip information, locate eCredits, and connect customers with human representatives when additional support was required.
But the company’s long-term plans for the system go beyond answering simple questions about gates, baggage, and loyalty benefits.
Delta has said the assistant will increasingly take actions on a traveler’s behalf, such as handling reservation requests.
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What Delta Air Lines Says Delta Concierge Beta Can Handle |
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– Real-time answers to travel questions such as flight time, seat and gate* (*available 24 hours prior to departure), and questions about SkyMiles status, benefits and more. |
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– Personalized FAQs based on travel history and preferences |
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– eCredit and bag lookup, including bag tracking and claim status |
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– Voice activation feature for hands-free assistance |
McCarthy’s experience suggests the system has a long way to go before doing so reliably.
An AI recommending the wrong airport restaurant is merely inconvenient. On the other hand, an AI making an incorrect change to a live ticket can leave someone without a flight home or out-of-pocket hundreds to thousands of dollars.
Delta Air Lines’ Response Could Be The Bigger Problem
AI systems make mistakes. However, Delta Air Lines had the opportunity to prevent that mistake from becoming the passenger’s financial problem — or being aired as a viral complaint across social media.
McCarthy had screenshots showing exactly what she requested and exactly what Delta Concierge promised. If her account is accurate, the evidence should have made the error relatively easy to trace.
But she also said the human support she received would not restore the canceled flight at its original value. That raises a broader question about how airlines will handle errors created by their own automated tools.
Delta says Concierge is intended to work alongside employees rather than replace them. But a handoff to a human representative only helps when that representative has the ability to fix what the AI did incorrectly.
Otherwise, passengers may be left paying the price to repair reservation changes they never authorized.
“Delta Concierge is more than just a digital assistant—it’s a reflection of how we’re using AI technology to blend the physical and digital experience,” said Eric Phillips, Delta’s Chief Digital Officer, in an October 2025 press release. “We want Delta Concierge to feel personal, like an extension of the care and service our Delta team members are known for. As customers begin to get access, we want to hear their feedback. This limited rollout helps us learn and refine, so together we can deliver a smarter, more seamless, and deeply personalized travel experience.”
Delta hasn’t publicly responded to McCarthy’s case, and her social media account doesn’t establish whether the airline ultimately restored the ticket or provided another resolution. TheTravel reached out to the airline for comment, but did not receive a response in time for publication.
Her experience nevertheless exposes a serious weakness in any airline AI rollout: a chatbot can sound completely certain about something while being completely wrong.
Passengers Should Check More Than The Chat Confirmation
Delta Concierge could still become useful, especially during weather disruptions when thousands of travelers are trying to rebook at the same time.
But for now, passengers may want to verify every change to their reservations outside of the chat window.
After using an AI assistant to cancel or modify a flight, reopen the reservation through the airline’s website or app. Confirm that every change made is correct, check the ticket receipt, and compare any refund notice with the original itinerary.
Screenshots are equally important, in case a problem like McCarthy’s arises.
Save the request, the AI response, the original ticket, and any notice showing what Delta actually changed. Those records could be crucial if the airline’s system does something different from what its assistant promised.
