Frontier Airlines Data Breach Exposes Social Security Numbers

Frontier Airlines, a U.S. low-cost carrier headquartered in Denver, Colorado, disclosed a data breach affecting consumers. The total number of individuals affected across the United States remains undisclosed.

The breach was disclosed to the attorneys general of Massachusetts, Nebraska, Texas and Vermont starting on July 9, 2026.

The filing did not include further details about the specific circumstances of the breach, such as how it occurred, when it took place, when it was discovered or what systems were affected. As a result, much remains unknown about the nature and full scope of the incident at this time.

The data breach resulted in the exposure of names, Social Security numbers, addresses, driver's license numbers, government-issued ID numbers, dates of birth and other personal information.

So far, 679 Texas residents, 27 Massachusetts residents and six Vermont residents were impacted.

Frontier Airlines' response to the breach

Individuals who believe they may have been affected by this breach should watch for a notification letter from Frontier Airlines. These letters usually include instructions for enrolling in any protective services being offered, along with a dedicated phone number or website for questions.

Individuals who have provided personal information to Frontier Airlines and have concerns about this breach may also want to contact the airline directly through its customer service channels for additional information.