The U.S. Department of Transportation has decided to partially waive a substantial fine previously imposed on Southwest Airlines, following the airline’s mass flight cancellations during a severe winter storm in 2022.

In a 2023 agreement with the Biden administration, Southwest was initially hit with a $140 million civil penalty. This marked the largest fine ever levied by the government for consumer protection violations against an airline at that time.

The majority of the penalty was designated for passenger compensation, but Southwest was also required to pay $35 million directly to the U.S. Treasury. Having already made two installments of $12 million each in 2024 and earlier this year, the Transportation Department has now decided to waive the remaining $11 million that was due by January 31, 2026.

The department attributed this decision to Southwest’s notable enhancements in punctuality and increased investment in its network operations.

“The Department of Transportation believes this strategy serves the public interest by encouraging airlines to invest in operational improvements and resilience, which directly benefits consumers,” the department stated. “This credit structure ensures that the public reaps the rewards of the airline’s investments, rather than having funds diverted to a government penalty.”

The penalty originated from a December 2022 winter storm that severely disrupted Southwest’s operations in key hubs like Denver and Chicago. The situation escalated when the airline’s crew-rescheduling system failed to manage the disarray, leading to the cancellation of 17,000 flights and leaving over 2 million passengers grounded.

The Biden administration determined that Southwest had violated the law by failing to help customers who were stranded in airports and hotels, leaving many of them to scramble for other flights. Many who called the airline’s overwhelmed customer service center got busy signals or were stuck on hold for hours.

Even before the settlement, the nation’s fourth-biggest airline by revenue said the meltdown cost it more than $1.1 billion in refunds and reimbursements, extra costs and lost ticket sales over several months.