A Southwest commercial airline passes 2 U.S. Navy aircraft carriers at home port, USS Carl Vinson (CVN-70) (L) and the USS Abraham Lincoln (CVN-72) as it approaches to land in San Diego, California, U.S., May 18, 2023. REUTERS/Mike Blake 

Southwest Airlines planes are show at San Diego International airport in San Diego, California, U.S., May 18, 2023. REUTERS/Mike Blake 

Southwest airline pilots approach to land at San Diego International airport in San Diego, California, U.S., May 18, 2023. REUTERS/Mike Blake 

Southwest airline pilots approach to land at San Diego International airport in San Diego, California, U.S., May 18, 2023. REUTERS/Mike Blake 

A Southwest Airlines check-in area sits empty after Southwest Airlines flights resumed following the lifting of a brief nationwide stoppage caused by an internal technical issue, according to the U.S. Federal Aviation Authority (FAA), at Chicago Midway International Airport in Chicago, Illinois, U.S. April 18, 2023. REUTERS/Jim Vondruska 

A general view of arrivals check-in at Midway Airport after Southwest Airlines flights resumed following the lifting of a brief nationwide stoppage caused by an internal technical issue, according to the U.S. Federal Aviation Authority (FAA), at Chicago Midway International Airport in Chicago, Illinois, U.S. April 18, 2023. REUTERS/Jim Vondruska 

Southwest Airlines planes sit idle on the tarmac after Southwest Airlines flights resumed following the lifting of a brief nationwide stoppage caused by an internal technical issue, according to the U.S. Federal Aviation Authority (FAA), at Chicago Midway International Airport in Chicago, Illinois, U.S. April 18, 2023. REUTERS/Jim Vondruska 

A Southwest Airlines plane sits idle on the tarmac after Southwest Airlines flights resumed following the lifting of a brief nationwide stoppage caused by an internal technical issue, according to the U.S. Federal Aviation Authority (FAA), at Chicago Midway International Airport in Chicago, Illinois, U.S. April 18, 2023. REUTERS/Jim Vondruska 

A Southwest Airlines plane sits idle on the tarmac after Southwest Airlines flights resumed following the lifting of a brief nationwide stoppage caused by an internal technical issue, according to the U.S. Federal Aviation Authority (FAA), at Chicago Midway International Airport in Chicago, Illinois, U.S. April 18, 2023. REUTERS/Jim Vondruska 

A woman checks the arrivals and departures board after Southwest Airlines flights resumed following the lifting of a brief nationwide stoppage caused by an internal technical issue, according to the U.S. Federal Aviation Authority (FAA), at Chicago Midway International Airport in Chicago, Illinois, U.S. April 18, 2023. REUTERS/Jim Vondruska 

A Southwest Airlines check-in area sits empty after Southwest Airlines flights resumed following the lifting of a brief nationwide stoppage caused by an internal technical issue, according to the U.S. Federal Aviation Authority (FAA), at Chicago Midway International Airport in Chicago, Illinois, U.S. April 18, 2023. REUTERS/Jim Vondruska 

Southwest Airlines planes sit idle on the tarmac after Southwest Airlines flights resumed following the lifting of a brief nationwide stoppage caused by an internal technical issue, according to the U.S. Federal Aviation Authority (FAA), at Chicago Midway International Airport in Chicago, Illinois, U.S. April 18, 2023. REUTERS/Jim Vondruska 

Southwest Airlines planes sit idle on the tarmac after Southwest Airlines flights resumed following the lifting of a brief nationwide stoppage caused by an internal technical issue, according to the U.S. Federal Aviation Authority (FAA), at Chicago Midway International Airport in Chicago, Illinois, U.S. April 18, 2023. REUTERS/Jim Vondruska 

JetBlue and Southwest Airlines planes are parked at the LaGuardia Airport in New York City, U.S. March 4, 2023. REUTERS/Chris Helgren
 

Senator Tammy Baldwin (D-WI) speaks during a Senate Committee on Commerce, Science and Transportation hearing entitled "Strengthening Airline Operations and Consumer Protections," focusing on the holiday meltdown, that forced Southwest to cancel thousands of flights, on Capitol Hill in Washington, U.S., February 9, 2023. REUTERS/Amanda Andrade-Rhoades
 

Paul Hudson, President of FlyersRights, Casey Murray, President of the Southwest Airlines Pilots Association, and Southwest Airlines Chief Operating Officer Andrew Watterson listen during a Senate Committee on Commerce, Science and Transportation hearing entitled "Strengthening Airline Operations and Consumer Protections," focusing on the holiday meltdown, that forced Southwest to cancel thousands of flights, on Capitol Hill in Washington, U.S., February 9, 2023. REUTERS/Amanda Andrade-Rhoades
 

Senator Amy Klobuchar (D-MN) speaks during a Senate Committee on Commerce, Science and Transportation hearing entitled "Strengthening Airline Operations and Consumer Protections," focusing on the holiday meltdown, that forced Southwest to cancel thousands of flights, on Capitol Hill in Washington, U.S., February 9, 2023. REUTERS/Amanda Andrade-Rhoades
 

Southwest Airlines Chief Operating Officer Andrew Watterson speaks to reporters during a break in the Senate Committee on Commerce, Science and Transportation hearing entitled "Strengthening Airline Operations and Consumer Protections," focusing on the holiday meltdown, that forced Southwest to cancel thousands of flights, on Capitol Hill in Washington, U.S., February 9, 2023. REUTERS/Amanda Andrade-Rhoades 

Southwest Airlines Chief Operating Officer Andrew Watterson speaks to reporters during a break in the Senate Committee on Commerce, Science and Transportation hearing entitled "Strengthening Airline Operations and Consumer Protections," focusing on the holiday meltdown, that forced Southwest to cancel thousands of flights, on Capitol Hill in Washington, U.S., February 9, 2023. REUTERS/Amanda Andrade-Rhoades 

Sharon Pinkerton, Senior Vice president for Legislative and Regulatory Policy for Airlines for America, speaks during a Senate Committee on Commerce, Science and Transportation hearing entitled "Strengthening Airline Operations and Consumer Protections," focusing on the holiday meltdown, that forced Southwest to cancel thousands of flights, on Capitol Hill in Washington, U.S., February 9, 2023. REUTERS/Amanda Andrade-Rhoades
 

Sharon Pinkerton, Senior Vice president for Legislative and Regulatory Policy for Airlines for America, speaks during a Senate Committee on Commerce, Science and Transportation hearing entitled "Strengthening Airline Operations and Consumer Protections," focusing on the holiday meltdown, that forced Southwest to cancel thousands of flights, on Capitol Hill in Washington, U.S., February 9, 2023. REUTERS/Amanda Andrade-Rhoades
 

Ranking member Senator Ted Cruz (R-Texas) speaks during a Senate Committee on Commerce, Science and Transportation hearing entitled "Strengthening Airline Operations and Consumer Protections," focusing on the holiday meltdown, that forced Southwest to cancel thousands of flights, on Capitol Hill in Washington, U.S., February 9, 2023. REUTERS/Amanda Andrade-Rhoades
 

Ranking member Senator Ted Cruz (R-Texas) speaks during a Senate Committee on Commerce, Science and Transportation hearing entitled "Strengthening Airline Operations and Consumer Protections," focusing on the holiday meltdown, that forced Southwest to cancel thousands of flights, on Capitol Hill in Washington, U.S., February 9, 2023. REUTERS/Amanda Andrade-Rhoades
 

Paul Hudson, President of FlyersRights, Casey Murray, president of the Southwest Airlines Pilots Association, and Southwest Airlines Chief Operating Officer Andrew Watterson listen during a Senate Committee on Commerce, Science and Transportation hearing entitled "Strengthening Airline Operations and Consumer Protections," focusing on the holiday meltdown, that forced Southwest to cancel thousands of flights, on Capitol Hill in Washington, U.S., February 9, 2023. REUTERS/Amanda Andrade-Rhoades
 

Southwest Airlines Chief Operating Officer Andrew Watterson wears a Southwest Airlines pin during a Senate Committee on Commerce, Science and Transportation hearing entitled "Strengthening Airline Operations and Consumer Protections," focusing on the holiday meltdown, that forced Southwest to cancel thousands of flights, on Capitol Hill in Washington, U.S., February 9, 2023. REUTERS/Amanda Andrade-Rhoades
 

Casey Murray, President of the Southwest Airlines Pilots Association, speaks as Paul Hudson, President of FlyersRights looks over his shoulder during a Senate Committee on Commerce, Science and Transportation hearing entitled "Strengthening Airline Operations and Consumer Protections," focusing on the holiday meltdown, that forced Southwest to cancel thousands of flights, on Capitol Hill in Washington, U.S., February 9, 2023. REUTERS/Amanda Andrade-Rhoades
 

Ranking member Senator Ted Cruz (R-Texas) speaks during a Senate Committee on Commerce, Science and Transportation hearing entitled "Strengthening Airline Operations and Consumer Protections," focusing on the holiday meltdown, that forced Southwest to cancel thousands of flights, on Capitol Hill in Washington, U.S., February 9, 2023. REUTERS/Amanda Andrade-Rhoades
 

Casey Murray, President of the Southwest Airlines Pilots Association, listens during a Senate Committee on Commerce, Science and Transportation hearing entitled "Strengthening Airline Operations and Consumer Protections," focusing on the holiday meltdown, that forced Southwest to cancel thousands of flights, on Capitol Hill in Washington, U.S., February 9, 2023. REUTERS/Amanda Andrade-Rhoades
 

Chairwoman Senator Maria Cantwell (D-WA) listens during a Senate Committee on Commerce, Science and Transportation hearing entitled "Strengthening Airline Operations and Consumer Protections," focusing on the holiday meltdown, that forced Southwest to cancel thousands of flights, on Capitol Hill in Washington, U.S., February 9, 2023. REUTERS/Amanda Andrade-Rhoades
 

Casey Murray, President of the Southwest Airlines Pilots Association, speaks during a Senate Committee on Commerce, Science and Transportation hearing entitled "Strengthening Airline Operations and Consumer Protections," focusing on the holiday meltdown, that forced Southwest to cancel thousands of flights, on Capitol Hill in Washington, U.S., February 9, 2023. REUTERS/Amanda Andrade-Rhoades
 

Ranking member Senator Ted Cruz (R-Texas) speaks as Chairwoman Senator Maria Cantwell (D-WA) listens during a Senate Committee on Commerce, Science and Transportation hearing entitled "Strengthening Airline Operations and Consumer Protections," focusing on the holiday meltdown, that forced Southwest to cancel thousands of flights, on Capitol Hill in Washington, U.S., February 9, 2023. REUTERS/Amanda Andrade-Rhoades
 

Southwest Airlines Chief Operating Officer Andrew Watterson listens to questions during a Senate Committee on Commerce, Science and Transportation hearing entitled "Strengthening Airline Operations and Consumer Protections," focusing on the holiday meltdown, that forced Southwest to cancel thousands of flights, on Capitol Hill in Washington, U.S., February 9, 2023. REUTERS/Amanda Andrade-Rhoades
 

Southwest Airlines Chief Operating Officer Andrew Watterson listens to questions during a Senate Committee on Commerce, Science and Transportation hearing entitled "Strengthening Airline Operations and Consumer Protections," focusing on the holiday meltdown, that forced Southwest to cancel thousands of flights, on Capitol Hill in Washington, U.S., February 9, 2023. REUTERS/Amanda Andrade-Rhoades
 

Southwest Airlines Chief Operating Officer Andrew Watterson listens to questions during a Senate Committee on Commerce, Science and Transportation hearing entitled "Strengthening Airline Operations and Consumer Protections," focusing on the holiday meltdown, that forced Southwest to cancel thousands of flights, on Capitol Hill in Washington, U.S., February 9, 2023. REUTERS/Amanda Andrade-Rhoades
 

Senator Todd Young (R-IN) speaks to Chairwoman Senator Maria Cantwell (D-WA) during a Senate Committee on Commerce, Science and Transportation hearing entitled "Strengthening Airline Operations and Consumer Protections," focusing on the holiday meltdown, that forced Southwest to cancel thousands of flights, on Capitol Hill in Washington, U.S., February 9, 2023. REUTERS/Amanda Andrade-Rhoades
 

Paul Hudson, President of FlyersRights, listens during a Senate Committee on Commerce, Science and Transportation hearing entitled "Strengthening Airline Operations and Consumer Protections," focusing on the holiday meltdown, that forced Southwest to cancel thousands of flights, on Capitol Hill in Washington, U.S., February 9, 2023. REUTERS/Amanda Andrade-Rhoades 

A Southwest passenger flight takes off from San Diego International Airport in San Diego, California, U.S., February 3, 2023. REUTERS/Mike Blake 

A Southwest passenger flight approaches to land at San Diego International Airport in San Diego, California, U.S., February 3, 2023. REUTERS/Mike Blake 

A Southwest Airlines jet comes in for a landing after flights earlier were grounded during an FAA system outage at Laguardia Airport in New York City, New York, U.S., January 11, 2023. REUTERS/Mike Segar 

Southwest Air Lines ticket agents check-in passengers at Hartsfield-Jackson Atlanta International Airport after the Federal Aviation Administration (FAA) had ordered airlines to pause all domestic departures due to a system outage in Atlanta, Georgia, U.S., January 11, 2023. REUTERS/Alyssa Pointer 

Map shows U.S. airports where an average of at least 25% of flights by Southwest Airlines were cancelled from Dec. 19 to 28. 

Map shows U.S. airports where an average of at least 25% of flights by Southwest Airlines were cancelled from Dec. 19 to 28. 

The flight board shows cancelled Southwest Airlines flights at Pittsburgh International Airport in Pittsburgh, Pennsylvania, U.S., December 29, 2022. REUTERS/Brian Snyder 

Senora Neal, a Dallas resident, searches for her granddaughter’s bag that arrived without her after U.S. airlines, led by Southwest, canceled thousands of flights due to a massive winter storm which swept over much of the country before and during the Christmas holiday weekend, at Dallas Love Field Airport in Dallas, Texas, U.S., December 28, 2022. REUTERS/Shelby Tauber 

Passengers wait to be picked up after U.S. airlines, led by Southwest, canceled thousands of flights due to a massive winter storm which swept over much of the country before and during the Christmas holiday weekend, at Dallas Love Field Airport in Dallas, Texas, U.S., December 28, 2022. REUTERS/Shelby Tauber 

Southwest Airlines passengers wait in line at the baggage services office after U.S. airlines, led by Southwest, canceled thousands of flights due to a massive winter storm which swept over much of the country before and during the Christmas holiday weekend, at Dallas Love Field Airport in Dallas, Texas, U.S., December 28, 2022. REUTERS/Shelby Tauber 

Southwest employee Adam Baker assists Mary Farrell locate her bags after U.S. airlines, led by Southwest, canceled thousands of flights due to a massive winter storm which swept over much of the country before and during the Christmas holiday weekend, at Dallas Love Field Airport in Dallas, Texas, U.S., December 28, 2022. REUTERS/Shelby Tauber 

Southwest passengers search for their luggage after U.S. airlines, led by Southwest, canceled thousands of flights due to a massive winter storm which swept over much of the country before and during the Christmas holiday weekend, at Dallas Love Field Airport in Dallas, Texas, U.S., December 28, 2022. REUTERS/Shelby Tauber 

The departures board is overwhelmed with delayed and cancelled flights after U.S. airlines, led by Southwest, canceled thousands of flights due to a massive winter storm which swept over much of the country before and during the Christmas holiday weekend, at Dallas Love Field Airport in Dallas, Texas, U.S., December 28, 2022. REUTERS/Shelby Tauber 

Southwest passengers check into their flights after U.S. airlines, led by Southwest, canceled thousands of flights due to a massive winter storm which swept over much of the country before and during the Christmas holiday weekend, at Dallas Love Field Airport in Dallas, Texas, U.S., December 28, 2022. REUTERS/Shelby Tauber 

Southwest customers visit the help desk after U.S. airlines, led by Southwest, canceled thousands of flights due to a massive winter storm which swept over much of the country before and during the Christmas holiday weekend, at Dallas Love Field Airport in Dallas, Texas, U.S., December 28, 2022. REUTERS/Shelby Tauber 

Southwest customers visit the help desk after U.S. airlines, led by Southwest, canceled thousands of flights due to a massive winter storm which swept over much of the country before and during the Christmas holiday weekend, at Dallas Love Field Airport in Dallas, Texas, U.S., December 28, 2022. REUTERS/Shelby Tauber 

Passengers head to their flights after U.S. airlines, led by Southwest, canceled thousands of flights due to a massive winter storm which swept over much of the country before and during the Christmas holiday weekend, at Dallas Love Field Airport in Dallas, Texas, U.S., December 28, 2022. REUTERS/Shelby Tauber 

Leslie Anderson texts her daughter who is stranded in Denver after U.S. airlines, led by Southwest, canceled thousands of flights due to a massive winter storm which swept over much of the country before and during the Christmas holiday weekend, at Dallas Love Field Airport in Dallas, Texas, U.S., December 28, 2022. REUTERS/Shelby Tauber 

Southwest Airlines employees assist passengers in locating their luggage after U.S. airlines, led by Southwest, canceled thousands of flights due to a massive winter storm which swept over much of the country before and during the Christmas holiday weekend, at Dallas Love Field Airport in Dallas, Texas, U.S., December 28, 2022. REUTERS/Shelby Tauber 

Southwest Airlines employees assist passengers in locating their luggage after U.S. airlines, led by Southwest, canceled thousands of flights due to a massive winter storm which swept over much of the country before and during the Christmas holiday weekend, at Dallas Love Field Airport in Dallas, Texas, U.S., December 28, 2022. REUTERS/Shelby Tauber 

Southwest Airlines passengers wait in line at the baggage services office after U.S. airlines, led by Southwest, canceled thousands of flights due to a massive winter storm which swept over much of the country before and during the Christmas holiday weekend, at Dallas Love Field Airport in Dallas, Texas, U.S., December 28, 2022. REUTERS/Shelby Tauber 

Southwest Airlines passengers wait in line at the baggage services office after U.S. airlines, led by Southwest, canceled thousands of flights due to a massive winter storm which swept over much of the country before and during the Christmas holiday weekend, at Dallas Love Field Airport in Dallas, Texas, U.S., December 28, 2022. REUTERS/Shelby Tauber 

Southwest Airlines employees assist passengers in locating their luggage after U.S. airlines, led by Southwest, canceled thousands of flights due to a massive winter storm which swept over much of the country before and during the Christmas holiday weekend, at Dallas Love Field Airport in Dallas, Texas, U.S., December 28, 2022. REUTERS/Shelby Tauber 

Southwest Airlines employees assist passengers in locating their luggage after U.S. airlines, led by Southwest, canceled thousands of flights due to a massive winter storm which swept over much of the country before and during the Christmas holiday weekend, at Dallas Love Field Airport in Dallas, Texas, U.S., December 28, 2022. REUTERS/Shelby Tauber