DALLAS — Backups are easing at U.S. airports thanks to a break in the weather, but United Airlines continues to struggle, accounting for the majority of canceled flights in the United States on Thursday.
Travelers from Hong Kong wait Wednesday at Los Angeles International Airport after their vacation flight to Cancun, Mexico, was suddenly canceled, disrupting their planned vacation.
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Travelers sit on the ground Wednesday at the departure area at the United Airlines terminal at Los Angeles International Airport.
Travelers wait at the departure area check-in Wednesday at the United Airlines terminal at Los Angeles International Airport.
Photos: Airport travel delays picking up ahead of July 4 holiday
Jet Blue agents help a traveler, right, in the departures area of Terminal B at LaGuardia Airport, Tuesday, June 27, 2023, in New York. Travelers waited out widespread delays at U.S. airports on Tuesday, an ominous sign heading into the long July 4 holiday weekend, which is shaping up as the biggest test yet for airlines that are struggling to keep up with surging numbers of passengers. (AP Photo/Mary Altaffer)
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. Travelers waited out widespread delays at U.S. airports on Tuesday, an ominous sign heading into the long July 4 holiday weekend, which is shaping up as the biggest test yet for airlines that are struggling to keep up with surging numbers of passengers. (AP Photo/Mary Altaffer)
A airline agents helps a travelers in the departures area of Terminal B at LaGuardia Airport, Tuesday, June 27, 2023, in New York. Travelers waited out widespread delays at U.S. airports on Tuesday, an ominous sign heading into the long July 4 holiday weekend, which is shaping up as the biggest test yet for airlines that are struggling to keep up with surging numbers of passengers. (AP Photo/Mary Altaffer)
Travelers line up at the Southwest Airline ticket counter in the departures area of Terminal B at LaGuardia Airport, Tuesday, June 27, 2023, in New York. Travelers waited out widespread delays at U.S. airports on Tuesday, an ominous sign heading into the long July 4 holiday weekend, which is shaping up as the biggest test yet for airlines that are struggling to keep up with surging numbers of passengers.(AP Photo/Mary Altaffer)
Travelers use their electronic devices while laying on the floor of the departures area of Terminal B at LaGuardia Airport, Tuesday, June 27, 2023, in New York. Travelers waited out widespread delays at U.S. airports on Tuesday, an ominous sign heading into the long July 4 holiday weekend, which is shaping up as the biggest test yet for airlines that are struggling to keep up with surging numbers of passengers. (AP Photo/Mary Altaffer)
Travelers use their electronic devices while sitting on the floor of the departures area of Terminal B at LaGuardia Airport, Tuesday, June 27, 2023, in New York. Travelers waited out widespread delays at U.S. airports on Tuesday, an ominous sign heading into the long July 4 holiday weekend, which is shaping up as the biggest test yet for airlines that are struggling to keep up with surging numbers of passengers. (AP Photo/Mary Altaffer)
A traveler looks for his suitcase amongst the unclaimed luggage in the arrivals area of Terminal B at LaGuardia Airport, Tuesday, June 27, 2023, in New York. Travelers waited out widespread delays at U.S. airports on Tuesday, an ominous sign heading into the long July 4 holiday weekend, which is shaping up as the biggest test yet for airlines that are struggling to keep up with surging numbers of passengers. (AP Photo/Mary Altaffer)
A traveler is seen leaving the baggage claim area in Terminal B at LaGuardia Airport, Tuesday, June 27, 2023, in New York. Travelers waited out widespread delays at U.S. airports on Tuesday, an ominous sign heading into the long July 4 holiday weekend, which is shaping up as the biggest test yet for airlines that are struggling to keep up with surging numbers of passengers. (AP Photo/Mary Altaffer)
Storm clouds loom over airplane on the tarmac at LaGuardia Airport, Tuesday, June 27, 2023, in New York. Travelers waited out widespread delays at U.S. airports on Tuesday, an ominous sign heading into the long July 4 holiday weekend, which is shaping up as the biggest test yet for airlines that are struggling to keep up with surging numbers of passengers. (AP Photo/Mary Altaffer)
A monitor displays in the departures area of Terminal B at LaGuardia Airport displays flight statuses, Tuesday, June 27, 2023, in New York. Travelers waited out widespread delays at U.S. airports on Tuesday, an ominous sign heading into the long July 4 holiday weekend, which is shaping up as the biggest test yet for airlines that are struggling to keep up with surging numbers of passengers. (AP Photo/Mary Altaffer)
An airplane lands, top, as other line up for takeoff, center, and others are parked at the gate of Terminal B at LaGuardia Airport, Tuesday, June 27, 2023, in New York. Travelers waited out widespread delays at U.S. airports on Tuesday, an ominous sign heading into the long July 4 holiday weekend, which is shaping up as the biggest test yet for airlines that are struggling to keep up with surging numbers of passengers. (AP Photo/Mary Altaffer)
