Published on December 18, 2025
Travelers across the United States are experiencing significant disruptions as airlines cancel hundreds of flights nationwide. These cancellations affect both domestic and international destinations, including Las Vegas, Seattle, San Francisco, New York, Denver, Dallas-Fort Worth, Chicago, Los Angeles, and Atlanta.
Airlines including Southwest, Delta, United, Alaska, and American have been forced to adjust their schedules, impacting thousands of passengers. In total, over 120 flights have been cancelled across these key airports, affecting destinations such as Hollywood Burbank, Denver, Fairbanks, Shanghai, Tokyo, Dublin, London, Mexico City, Guadalajara, San Diego, Aspen, Austin, and Honolulu.

Overview of Major Cancellations by Airport

Las Vegas and Seattle Hit by Early Cancellations

At Harry Reid International, Southwest flight cancellations have disrupted popular domestic routes, including Hollywood Burbank, Denver, and Daugherty Field. Delta also cancelled a departure to Atlanta, highlighting the spread of scheduling issues.
Seattle-Tacoma has seen Alaska Airlines cancelled flights to Fairbanks and Vancouver, while Delta flights to Shanghai and Tokyo were also impacted. JetBlue departures to Calgary and Glacier Park International were additionally affected, causing cascading delays across connecting flights.

West Coast Airports Face Disruptions

San Francisco International experienced a mix of United Airlines disruptions, Alaska Airlines cancelled flights, and Hawaiian Airlines cancellations. Key routes to Honolulu, San Diego, Austin, Newark, Dublin, and Xiamen were impacted, affecting both leisure and business travelers.
Los Angeles International also recorded multiple cancellations, including destinations in Mexico, the U.S., and London. United, Volaris, Hawaiian, and Virgin Atlantic all adjusted schedules, leaving passengers to rearrange travel plans.

East Coast and Central Hubs Affected

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New York’s JFK Airport saw American Airlines schedule changes and cancellations from Air France, British Airways, and Avianca. Important international destinations including Paris, São Paulo, London, and Medellín were affected.
Denver International and Dallas-Fort Worth International experienced domestic disruptions, with canceled flights to Aspen, San Diego, Bismarck, Billings, and Guadalajara. Chicago O’Hare saw Alaska and Jazz Aviation cancelling key departures to San Diego and Montreal.
Atlanta’s Hartsfield-Jackson faced the largest number of cancellations, affecting destinations including Oklahoma City, Washington D.C., Queretaro, New Orleans, Buffalo, Houston, Philadelphia, Las Vegas, Palm Beach, Denver, and Austin.

Impact on Passengers

With over 120 flights cancelled nationwide, passengers are facing delays, missed connections, and logistical challenges. Travelers are advised to:

• Check airline apps and official notifications for real-time updates.
• Arrive early at airports to manage rebooking and security checks.
• Consider alternative airports or connecting flights if schedules are disrupted.
• Keep digital and physical copies of boarding passes, itineraries, and contact information.

Airlines have cited operational challenges, crew shortages, and scheduling issues as the main reasons for the widespread US flight cancellations. Travelers should plan ahead and allow extra time for travel to minimize disruptions.

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Tags: Las Vegas flight disruptions, New York JFK flight updates, San Francisco airport delays, US Flight cancellations

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