Google Pays $10 Million for Bankrupt Spirit Airlines' Data. Flight Attendants Union Objects in Bankruptcy Court

Spirit Airlines died in May after 34 years and two bankruptcies. Now its digital corpse is up for sale, and Google is the buyer.

Google won a bankruptcy auction on Friday, August 14, agreeing to pay $10 million for a massive trove of Spirit's internal business data, according to Forbes and Bloomberg Law. The winning bid beat out Mercor, an AI-training data firm, which offered $7.5 million, Forbes reported.

The dataset is enormous. Court filings cited by paddleyourownkanoo and Bloomberg Law put the haul at roughly 100 million emails, 500 million Microsoft Teams messages, 17.1 million OneDrive files, 20.6 million SharePoint files, 667,563 IT tickets, an entire software codebase, five million crew pairings, and about 176,000 employee records covering payroll, training, and HR.

Google says it wants the data to sharpen its AI products. "We acquired part of an enterprise dataset from Spirit Airlines, which can be helpful in improving our products and AI models," a Google spokesperson told Yahoo Finance and Forbes. "We will not receive any personal information from this dataset."

That claim rests on a "deidentification" process. A court-appointed ombudsman will oversee efforts to scrub personally identifying information before Google gets the data, and Google has agreed not to intentionally re-identify anyone, according to Ars Technica. Bloomberg Law reported that customer data, including Spirit's 97.5 million passenger profiles and 50.2 million Free Spirit loyalty records, isn't part of the sale at all.

The union says the privacy shield has a hole in it

The Association of Flight Attendants-CWA, which represents roughly 5,500 former Spirit cabin crew, filed a limited objection in the U.S. Bankruptcy Court for the Southern District of New York on Tuesday, August 18.

The union's core argument, laid out in filings reported by Ars Technica and Bloomberg Law: the deidentification framework was built using consumer protection law, designed to shield passengers. Employee confidentiality is a different legal animal, and the union says it's getting weaker cover for far more sensitive material.

"The privacy architecture of this transaction is consumer-facing; its payload is disproportionately employee-facing," the AFA argued, according to Ars Technica. "Hence, the employee data is far more confidential than the customer data, yet receives far less protection than the customer data."

AFA International President Sara Nelson didn't mince words. "This is outrageous! We are filing a court objection to Google's attempt to buy data that has no business being sold," she told Forbes.

The union isn't asking to block the whole sale. Multiple outlets, including paddleyourownkanoo and Bloomberg Law, report that AFA's actual ask is narrower: strip out all flight attendant records, including disciplinary files, training deficiencies, medical or accommodation requests, payroll, tax forms, timecards, crew base and pairing data, and any Microsoft 365 content touching flight attendant information. If the court won't go that far, the union wants an independent review protocol and a ban on using the data to profile any identifiable group of flight attendants, per Bloomberg Law.

With a workforce the size of Spirit's flight attendant population, deidentification doesn't always mean unidentifiable. Small subgroups, like a single crew base or a narrow slice of training records, can sometimes be re-identified through pattern-matching even after names are stripped out. This is a well-documented weakness of anonymization techniques generally. The AFA's filing raises specific scenarios: who generated grievances, who failed recurrent training, who was under investigation, whose pay got adjusted and why.

Adam Schwartz of the Electronic Frontier Foundation backed that concern in comments to Ars Technica. "EFF opposes using a person's data for a new purpose without first getting their consent, which does not happen when a bankrupt company sells its employees' emails to become AI training data," Schwartz said.

Spirit's response and what happens next

A Spirit Airlines spokesperson told Yahoo Finance that a third party will "deidentify the data and certify that the data sold at auction is compliant with applicable privacy laws and regulations," adding that "Spirit takes all data privacy concerns seriously and will continue to work with the appropriate parties to resolve any outstanding issues."

That's a company statement, not a resolution. No court has ruled on whether the deidentification process is adequate, and no regulator has opened an investigation into the sale. This is a contested bankruptcy proceeding, not a settled legal question.

Spirit filed for its second Chapter 11 in two years and shut down on May 2, citing fuel costs and collapsed financing talks, according to Bloomberg Law. It had roughly 17,000 employees at closure and filed with about $8.1 billion in debt.

A hearing that was originally set for this week got pushed to September 9 in the Southern District of New York after the AFA's objection landed, according to Forbes and Bloomberg Law. That gives the union roughly three more weeks to press its case, and gives the judge overseeing Spirit's Chapter 11 case a genuine decision to make: whether "deidentified" is good enough when the population being deidentified is small enough that the math might not hold.