Southwest Airlines: US government sues airline and fines Frontier for chronically delayed flights

The Transportation Department is increasing efforts to address ongoing flight delays by taking legal action against Southwest Airlines and imposing a fine on Frontier Airlines.

NOTE: The video is from a previous report.

In a lawsuit filed in California on Wednesday, the department claims that Southwest unlawfully operated consistently delayed flights, causing disruptions to passengers’ travel plans. The department is aiming for the “maximum civil penalties” in this case.

“Airlines are bound by law to ensure that their flight schedules offer passengers realistic departure and arrival times,” stated Transportation Secretary Pete Buttigieg. “By taking this step today, we are signaling to all airlines that we are willing to take legal action to uphold passenger rights.”

Southwest Airlines jetliner taxis down a runway for take off at Denver International Airport, Tuesday, Dec. 24, 2024, in Denver.

Southwest Airlines jetliner taxis down a runway for take off at Denver International Airport, Tuesday, Dec. 24, 2024, in Denver.

AP Photo/David Zalubowski

The Transportation Department said its investigation found that Dallas-based Southwest operated two chronically delayed flights – one between Chicago Midway International Airport and Oakland, California, and another between Baltimore, Maryland and Cleveland, Ohio.

Both flights were chronically delayed for five straight months and together resulted in 180 flight disruptions for passengers between April and August 2022, the agency said.

The department fined Frontier Airlines $650,000 in civil penalties with $325,000 to be paid to the U.S. Treasury and the remaining $325,000 to be suspended if the carrier does not operate any chronically delayed flights in the next three years.

The announcement comes less than two weeks after the Transportation Department fined JetBlue $2 million for chronic delays, the first time it imposed a penalty for lateness on specific routes. The agency cited JetBlue’s chronic delays on “unrealistic scheduling.” JetBlue then said the government, which operates the air traffic control system, shares the blame for late flights.

Aviation-data provider Cirium said in a report released this month that Southwest ranked fifth among the 10 North American airlines it evaluated for their on-time performance, with 77.8% of arrivals and a little under 77% of departures last year taking place in a timely way. By comparison, top-ranked Delta Air Lines scored 83.5% for arrivals and 83.7% for departures.

Last year, federal regulators increased their scrutiny of Southwest Airlines after a series of incidents, including flying at very low altitudes while still miles away from an airport. The Federal Aviation Administration said in July it wanted to ensure the carrier was complying with federal safety regulations. The FAA declined to provide details, but noted that it continually adjusts oversight of airlines based on risk.

Copyright © 2025 by The Associated Press. All Rights Reserved.

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