Travelers queue up for the check-in counter for Aeromexico Airlines Tuesday, April 16, 2024, in Denver International Airport in Denver. (AP Photo/David Zalubowski)
Colorado Attorney General Phil Weiser, back left, responds to questions as U.S. Transportation Secretary Pete Buttigieg looks on after a news conference to announce a new partnership that will streamline how consumer complaints against airlines are resolved in the terminal at Denver International Airport Tuesday, April 16, 2024, in Denver. (AP Photo/David Zalubowski)
A traveler pushes a cart topped with baggage to the check-in counter for Lufthansa Airlines Tuesday, April 16, 2024, in Denver International Airport in Denver. (AP Photo/David Zalubowski)
FILE - An airline employee, right, helps a traveler find her suitcase amongst the unclaimed luggage in the arrivals area of Terminal B at LaGuardia Airport, Tuesday, June 27, 2023, in New York. The U.S. Department of Transportation said Tuesday, April 16, 2024, that it will give the states power to investigate complaints about airlines and ticket sellers, and then refer cases to the federal government for enforcement. (AP Photo/Mary Altaffer, File)
U.S. Transportation Secretary Pete Buttigieg, center, greets well-wishers after a news conference to announce a new partnership that will streamline how consumer complaints against airlines are resolved in the terminal at Denver International Airport Tuesday, April 16, 2024, in Denver. (AP Photo/David Zalubowski)
FILE - A airline agents helps a travelers in the departures area of Terminal B at LaGuardia Airport, Tuesday, June 27, 2023, in New York. The U.S. The U.S. Department of Transportation said Tuesday, April 16, 2024, that it will give the states power to investigate complaints about airlines and ticket sellers, and then refer cases to the federal government for enforcement. (AP Photo/Mary Altaffer, File)
U.S. Transportation Secretary Pete Buttigieg, right, speaks as Colorado Attorney General Phil Weiser listens during a news conference to announce a new partnership that will streamline how consumer complaints against airlines are resolved in the terminal at Denver International Airport Tuesday, April 16, 2024, in Denver. (AP Photo/David Zalubowski)
U.S. Transportation Secretary Pete Buttigieg, left, confers with Colorado Attorney General Phil Weiser as they head to a news conference to announce a new partnership that will streamline how consumer complaints against airlines are resolved in the terminal at Denver International Airport Tuesday, April 16, 2024, in Denver. (AP Photo/David Zalubowski)