The Transportation Department also announced $650,000 in civil penalties against Frontier Airlines on Wednesday, citing chronically delayed flights. $325,000 will be paid to the U.S. Treasury while the remainder can be suspended if Frontier does not operate more chronically delayed flights in the next three years.

The Department of Transportation said that two Southwest Airlines routes arrived late nearly 180 times in a five-month period in 2022.

Southwest is disappointed that DOT chose to file a lawsuit over two flights that occurred more than two years ago," a spokesperson for the airline said.

The Department of Transportation is suing Southwest Airlines, accusing it of operating two “chronically delayed flights” in 2022 that resulted in 180 flight disruptions.

The Biden Administration sued Dallas-based Southwest Airlines Wednesday for operating two “chronically late” flights, in the White House’s latest move to hold the industry accountable for delays and cancellations.

The DOT filed a lawsuit against Southwest Airlines, citing a pattern of chronic delays, as the government pushes for stricter accountability.

The U.S. Department of Transportation sued Southwest Airlines Wednesday, alleging it illegally operates flights that are persistently delayed, harming passengers and fair competition in the airline industry.

Southwest Airlines Co. was sued by the U.S. Transportation Department for allegedly violating rules that require airlines to set and meet realistic flight schedules. The carrier was responsible for “unlawful chronic flight delays” that disrupted passengers’ travel plans,

The Transportation Department is stepping up enforcement of persistent flight delays with a civil lawsuit against Southwest Airlines and a fine against Frontier Airlines.

Transportation Department sues Southwest Airlines, seeking over $2.1 million in penalties for chronically delayed flights.

President Joe Biden's administration on Wednesday sued Southwest Airlines , accusing the carrier of illegally operating multiple chronically delayed flights and disrupting passengers’ travel.

The department's investigation found two Southwest Airline flights were delayed for five consecutive months in 2022. Both delayed flights resulted in more than 90% of disruptions between April and August that year.