Who Gets Spirit Airlines' Employee Data? A Bidding War With No Clear Winner
Google paid $10 million at auction for hundreds of millions of Spirit Airlines emails, calls, and files. Then a second bidder appeared. Former employees are going to court to stop any sale at all.

Key points
- Micro1, an AI data company, offered $12.5 million for Spirit Airlines' employee and customer data after Google had already won it at auction for $10 million.
- The data set covers roughly 600 million email and chat records from 17,000 employees, plus more than 30 million recorded customer service calls.
- Spirit Airlines filed for bankruptcy protection in late 2024, and its data is being treated as a sellable asset to raise cash for creditors.
- Former Spirit employees, represented in part by the Association of Flight Attendants-CWA, went to court last week to block any sale.
- Anonymising the data, meaning stripping out names and identifying details before any transfer, is one option under discussion.
Spirit Airlines collapsed into bankruptcy in late 2024. The planes stopped flying. The jobs disappeared. But the data stayed, and it turns out to be worth a great deal of money.
As first reported by CSO Online, the airline accumulated a remarkable archive during its years of operation: around 600 million email and Microsoft Teams chat records generated by 17,000 employees, 17 million files stored in OneDrive (Microsoft's cloud file storage service), 20.5 million SharePoint items (documents and pages held on Microsoft's internal website platform), and more than 30 million recorded customer service phone calls. The records stretch back decades.
Why does anyone want old airline emails?
Companies building artificial intelligence systems need enormous quantities of real human communication to train their models. Workplace emails, chat messages, and call recordings are especially valuable because they show how people actually talk at work, not how they talk in textbooks.
Google bid $10 million for the archive at a court-supervised auction, beating a $7.5 million offer from Mercor, another AI training company. Then Micro1, a third AI data firm, arrived with a $12.5 million counter-offer, reopening a process many assumed was closed.
| Bidder | Offer | Status |
|---|---|---|
| Mercor | $7.5 million | Outbid at auction |
| $10 million | Won at auction | |
| Micro1 | $12.5 million | Submitted after auction |
Should former Spirit employees be worried?
Yes, and many already are. The archive contains sensitive workplace records belonging to people who lost their jobs when Spirit shut down. Those workers have not consented to their private communications being sold to a technology company.
Sara Nelson, international president of the Association of Flight Attendants-CWA, which still represents more than 5,500 former Spirit flight attendants, told Forbes the situation feels particularly unfair. The airline wants to profit from employee data while those same employees are still waiting for unpaid vacation time, sick leave, and other compensation they are owed.
Last week the unions filed legal action to block any sale of the data.
What happens next?
One path forward under discussion is anonymisation, a process where identifying details such as names, employee numbers, and contact information are removed before any data changes hands. Done properly, anonymisation could make it harder to trace a message back to a specific person.
Whether anonymisation would satisfy the court, the unions, or the employees themselves remains an open question. The bankruptcy judge overseeing Spirit's estate will ultimately decide whether the data can be sold, to whom, and under what conditions.
Former Spirit customers who called the airline's service line should be aware that those recordings may be part of the contested archive. If you spoke with a Spirit customer service agent at any point, your voice and your words could, depending on the court's ruling, end up in an AI training data set. There is no action to take right now, but watching for court updates in the Spirit Airlines bankruptcy case is sensible.
Common questions
Can a bankrupt company really sell its employees' private messages?
In a US bankruptcy, almost any company asset can be sold to pay creditors, and courts have broad discretion. Whether employee data qualifies depends on the specific facts, applicable privacy law, and how the court weighs workers' objections against the creditors' financial claims.
What is anonymisation, and does it actually protect people?
Anonymisation means removing or scrambling details that identify a specific person. When done thoroughly it reduces the risk of re-identification, but experts note that large, detailed data sets can sometimes be re-identified even after anonymisation, so it is not a guaranteed fix.



