San Francisco, Houston, San Diego, Chicago, and More Face Severe Travel Disruptions with 66 Cancellations and 126 Delays by United, Alaska, SkyWest and Air Canada, Isolating Passengars in Miami, Minneapolis, Toronto, and Beyond

Published on December 13, 2025

Major travel disruptions have plagued several U.S. and international airports, as United Airlines, Alaska Airlines, SkyWest, and Air Canada have collectively canceled 66 flights and delayed 126 others. Key destinations such as San Francisco, Houston, San Diego, and Chicago are among the hardest hit, with ripple effects felt as far as Miami, Minneapolis, and Toronto. Travelers at these airports are facing extended delays and uncertainty, leaving many stranded or struggling to rebook their journeys. Weather conditions, operational issues, and air traffic control challenges have been cited as the main reasons for the disruptions, creating a ripple effect on both domestic and international routes. As airlines work to resolve the situation, passengers are urged to stay informed and explore alternative arrangements to minimize the impact on their travel plans.

Overview of Canceled Flights

Several airlines have been forced to cancel flights across their networks, particularly affecting major international hubs. United Airlines, Air Canada, SkyWest, and Alaska Airlines have all made significant cancellations, particularly affecting routes from popular airports like Chicago O’Hare (KORD), San Francisco International (KSFO), Newark Liberty International (KEWR), and Toronto Pearson International (CYYZ). Here’s a look at the list of affected flights:

United Airlines Cancellations

Key Affected Airports:

• Chicago O’Hare International (KORD)
• San Francisco International (KSFO)
• Newark Liberty International (KEWR)
• Hong Kong International (HKG)
• Lic. Benito Juarez Int’l (MEX)
• Rio de Janeiro/Galeao International (GIG)

List of Canceled Flights:

• UAL869 B77W San Francisco Int’l (KSFO) to Hong Kong Int’l (HKG / VHHH) (Fri 11:50AM PST)
• UAL3927 B738 Chicago O’Hare Intl (KORD) to Denver Intl (KDEN) (Fri 02:25PM CST)
• UAL3906 A320 Houston Bush Int’ctl (KIAH) to Lic. Benito Juarez Int’l (MEX / MMMX) (Fri 11:10PM CST)
• UAL4209 B789 Hong Kong Int’l (HKG / VHHH) to San Francisco Int’l (KSFO) (Sat 01:10PM HKT)
• UAL3923 B772 Hong Kong Int’l (HKG / VHHH) to San Francisco Int’l (KSFO) (Sat 01:35PM HKT)
• UAL837 B738 Narita Int’l (NRT / RJAA) to Kaohsiung Int’l (KHH / RCKH) (Sat 06:00PM JST)
• UAL3894 B764 Rio de Janeiro/Galeao Intl (GIG / SBGL) to Newark Liberty Intl (KEWR) (Sat 06:10AM -03)
• UAL41 B764 Leonardo da Vinci Int’l (Fiumicino Int’l) (FCO / LIRF) to Newark Liberty Intl (KEWR)
  (Sat 10:40AM CET)
• UAL428 A319 Lic. Benito Juarez Int’l (MEX / MMMX) to Houston Bush Int’ctl (KIAH) (Sat 08:00AM CST)
• UAL435 A21N San Francisco Int’l (KSFO) to Newark Liberty Intl (KEWR) (Sat 08:45AM PST)
• UAL3870 B753 Chicago O’Hare Intl (KORD) to Shannon (SNN / EINN) (Sat 07:10PM CST)
• UAL838 B738 Kaohsiung Int’l (KHH / RCKH) to Narita Int’l (NRT / RJAA) (Sun 11:40AM CST)
• UAL1960 A21N Newark Liberty Intl (KEWR) to San Francisco Int’l (KSFO) (Sun 07:10AM EST)

Alaska Airlines Cancellations

Key Affected Airports:

• Anchorage International (PANC)
• Seattle-Tacoma International (KSEA)
• San Diego International (KSAN)
• Los Angeles International (KLAX)

List of Canceled Flights:

• ASA7009 B737 Bethel (BET / PABE) to Anchorage Intl (PANC) (Fri 09:46AM AKST)
• ASA7015 B738 Deadhorse (SCC / PASC) to Wiley Post-Will Rogers (BRW / PABR) (Fri 09:54AM AKST)
• ASA58 B738 Anchorage Intl (PANC) to Deadhorse (SCC / PASC) (Fri 11:35AM AKST)
• ASA7015 B738 Wiley Post-Will Rogers (BRW / PABR) to Anchorage Intl (PANC) (Fri 11:39AM AKST)
• ASA7011 B737 Nome (OME / PAOM) to Anchorage Intl (PANC) (Fri 12:02PM AKST)
• ASA58 B738 Deadhorse (SCC / PASC) to Anchorage Intl (PANC) (Fri 02:17PM AKST)
• ASA7019 73F Anchorage Intl (PANC) to Dillingham (DLG / PADL) (Fri 02:20PM AKST)
• ASA7025 B738 Anchorage Intl (PANC) to Ralph Wien Meml (OTZ / PAOT) (Fri 02:30PM AKST)
• ASA51 B738 Anchorage Intl (PANC) to Wiley Post-Will Rogers (BRW / PABR) (Fri 02:35PM AKST)
• ASA287 B39M Newark Liberty Intl (KEWR) to Los Angeles Intl (KLAX) (Fri 07:36PM EST)
• ASA7019 7F8 Dillingham (DLG / PADL) to King Salmon (PAKN) (Fri 04:26PM AKST)
• ASA1365 B39M Guanacaste (LIR / MRLB) to Los Angeles Intl (KLAX) (Fri 07:27PM CST)
• ASA7026 B738 Ralph Wien Meml (OTZ / PAOT) to Anchorage Intl (PANC) (Fri 05:04PM AKST)
• ASA52 B738 Wiley Post-Will Rogers (BRW / PABR) to Anchorage Intl (PANC) (Fri 05:28PM AKST)
• ASA7019 7F8 King Salmon (PAKN) to Anchorage Intl (PANC) (Fri 05:56PM AKST)
• ASA493 B738 San Luis Obispo County Rgnl (KSBP) to Seattle-Tacoma Intl (KSEA) (Fri 08:01PM PST)
• ASA416 B39M Kahului (OGG / PHOG) to Seattle-Tacoma Intl (KSEA) (Fri 11:30PM HST)
• ASA484 B39M Kahului (OGG / PHOG) to San Diego Intl (KSAN) (Sat 12:09AM HST)
• ASA7015 B738 Anchorage Intl (PANC) to Wiley Post-Will Rogers (BRW / PABR) (Sat 08:00AM AKST)
• ASA1368 B739 San Diego Intl (KSAN) to Seattle-Tacoma Intl (KSEA) (Sat 09:44AM PST)
• ASA7015 B738 Wiley Post-Will Rogers (BRW / PABR) to Anchorage Intl (PANC) (Sat 10:57AM AKST)
• ASA623 B739 Seattle-Tacoma Intl (KSEA) to San Diego Intl (KSAN) (Sat 06:16PM PST)
• ASA7014 B738 Ralph Wien Meml (OTZ / PAOT) to Anchorage Intl (PANC) (Sun 01:43PM AKST)
• ASA7039 B738 Anchorage Intl (PANC) to Seattle-Tacoma Intl (KSEA) (Sun 06:30PM AKST)

SkyWest Flight Cancellations

Key Affected Airports:

• Minneapolis/St. Paul International (KMSP)
• San Francisco International (KSFO)
• Palm Springs International (KPSP)

List of Canceled Flights:

• SKW3374 E170 Schulz-Sonoma County (KSTS) to Harry Reid Intl (KLAS) (Fri 11:09AM PST)
• SKW3013 E170 Schulz-Sonoma County (KSTS) to Palm Springs Intl (KPSP) (Fri 11:14AM PST)
• SKW4621 E170 Gowen Field (KBOI) to Minneapolis/St Paul Intl (KMSP) (Fri 06:10PM MST)
• SKW5592 CRJ2 Redding Rgnl (KRDD) to San Francisco Int’l (KSFO) (Fri 06:55PM PST)
• SKW3040 E170 Hollywood Burbank Airport (KBUR) to Schulz-Sonoma County (KSTS) (Fri 08:06PM PST)
• SKW4824 CRJ9 Phoenix Sky Harbor Intl (KPHX) to Santa Maria (KSMX) (Fri 09:47PM MST)
• SKW3048 E75L San Diego Intl (KSAN) to San Luis Obispo County Rgnl (KSBP) (Fri 10:09PM PST)
• SKW3348 E75L Los Angeles Intl (KLAX) to Schulz-Sonoma County (KSTS) (Fri 10:19PM PST)
• SKW4825 CRJ9 Santa Maria (KSMX) to Phoenix Sky Harbor Intl (KPHX) (Sat 05:10AM PST)
• SKW3049 E75L San Luis Obispo County Rgnl (KSBP) to San Diego Intl (KSAN) (Sat 06:10AM PST)
• SKW3366 E75L Schulz-Sonoma County (KSTS) to Los Angeles Intl (KLAX) (Sat 07:10AM PST)
• SKW3041 E75L Schulz-Sonoma County (KSTS) to Hollywood Burbank Airport (KBUR) (Sat 07:10AM PST)
• SKW4609 CRJ9 Eppley Airfield (KOMA) to Detroit Metro Wayne Co (KDTW) (Sat 10:40AM CST)

Air Canada Cancellations

Key Affected Airports:

• Toronto Pearson International (CYYZ)
• Ottawa Macdonald-Cartier International (CYOW)
• Mexico City Santa Lucia Airport (NLU)

List of Canceled Flights:

• ACA57 B789 Dubai Int’l (DXB / OMDB) to Toronto Pearson Int’l (CYYZ) (Sat 01:40AM +04)
• ACA1320 B38M Guanacaste (LIR / MRLB) to Toronto Pearson Int’l (CYYZ) (Fri 03:55PM CST)
• ACA463 A320 Ottawa Macdonald-Cartier Int’l (CYOW) to Toronto Pearson Int’l (CYYZ) (Fri 06:15PM EST)
• ACA470 A320 Toronto Pearson Int’l (CYYZ) to Ottawa Macdonald-Cartier Int’l (CYOW) (Fri 10:10PM EST)
• ACA7248 B763 Toronto Pearson Int’l (CYYZ) to Mexico City Santa Lucía Airport (NLU / MMSM) (Fri 11:40PM EST)
• ACA1198 A321 Toronto Pearson Int’l (CYYZ) to Miami Intl (KMIA) (Sat 08:10AM EST)
• ACA163 B38M Toronto Pearson Int’l (CYYZ) to Edmonton Int’l (CYEG) (Sat 08:10AM EST)
• ACA739 B38M Toronto Pearson Int’l (CYYZ) to San Francisco Int’l (KSFO) (Sat 08:15AM EST)
• ACA7248 B763 Mexico City Santa Lucía Airport (NLU / MMSM) to Dallas-Fort Worth Intl (KDFW) (Sat 07:25AM CST)
• ACA7249 B763 Dallas-Fort Worth Intl (KDFW) to Toronto Pearson Int’l (CYYZ) (Sat 11:25AM CST)
• ACA1201 A321 Miami Intl (KMIA) to Toronto Pearson Int’l (CYYZ) (Sat 12:30PM EST)
• ACA166 B38M Edmonton Int’l (CYEG) to Toronto Pearson Int’l (CYYZ) (Sat 11:25AM MST)
• ACA740 B38M San Francisco Int’l (KSFO) to Toronto Pearson Int’l (CYYZ) (Sat 12:10PM PST)
• ACA969 B38M Exuma Int’l (GGT / MYEF) to Toronto Pearson Int’l (CYYZ) (Sun 01:50PM EST)

Major Affected Airport Analysis

Chicago O’Hare International Airport (KORD) is one of the busiest and most well-known airports in the United States and the world. Located on the northwest side of Chicago, Illinois, O’Hare serves as a major hub for both domestic and international flights. It is renowned for its extensive flight network, offering services to numerous destinations across North America, Europe, Asia, and beyond. O’Hare is a vital base for United Airlines, which originated here and maintains a significant presence as a primary carrier operating out of the airport. With multiple terminals and world-class facilities, it plays a crucial role in global air travel and contributes significantly to Chicago’s economy and tourism.

San Diego International Airport (SAN)

San Diego International Airport (SAN) is the primary airport serving San Diego, California, and is located just a few miles from downtown. Known for its convenience, the airport offers easy access to the city’s vibrant coastal attractions and is a hub for both domestic and international flights. Alaska Airlines operates several routes from this airport, connecting San Diego to major destinations across the United States, making it a key player in the region’s travel network. With modern facilities and a user-friendly design, SAN ensures a smooth travel experience for passengers. The airport is known for its excellent customer service, efficient security, and stunning views of the surrounding bayside area.

San Francisco International Airport (KSFO)

San Francisco International Airport (KSFO) is a major international gateway located in the Bay Area of California. Known for its modern facilities, extensive flight networks, and efficiency, it serves as a hub for both domestic and international flights. KSFO is one of the busiest airports in the United States, offering non-stop services to destinations across North America, Europe, Asia, and beyond.

SkyWest Flights operate from San Francisco International Airport, connecting passengers to various regional and domestic destinations. With its strategic location, KSFO provides seamless travel options for business and leisure travelers alike, making it a vital point of departure for those seeking connectivity to the broader U.S. and international routes.

Toronto Pearson International Airport (YYZ) is the largest and busiest airport in Canada, serving as a major hub for both domestic and international flights. Located in Mississauga, just outside downtown Toronto. As the primary base of operations for Air Canada, the airport is integral to the airline’s global network, with flights connecting to cities across North America, Europe, Asia, the Middle East, and beyond. Toronto Pearson offers a range of modern amenities, including lounges, shopping, dining options, and extensive ground transportation links, making it a key gateway for both leisure and business travelers.

Cancellation Causes

These cancellations have been caused by several factors, including:

• High Traffic Volumes: Increased air traffic during the holiday season, coupled with ongoing airport congestion, has led to cascading delays across the airline network.

• Operational Issues: Crew shortages, maintenance challenges, and air traffic control disruptions have also contributed to delays and cancellations.

Impact on Tourism and Travel Plans

The ongoing cancellations are having a significant impact on travelers and the tourism industry:

• Disruptions to Holiday Travel: With key routes such as San Francisco to Hong Kong and Toronto to Mexico City affected, travelers are facing difficulties reaching holiday destinations, leading to frustration and potential losses in tourism revenue.
• Hotel and Accommodation Strain: Passengers stranded at major airports such as Chicago O’Hare (KORD) and Newark Liberty (KEWR) may add pressure on local hotel accommodations, especially as travelers scramble for rebooking options.

Advice for Passengers

Travelers affected by these cancellations are advised to:

• Check for Updates: Regularly check the airline’s website and sign up for real-time flight alerts to stay updated on any changes to your flight status.
• Consider Rebooking Early: If your flight has been canceled, reach out to your airline’s customer service to explore rebooking options as soon as possible to avoid extended delays.
• Prepare for Long Waits: Airport congestion and the volume of cancellations may lead to longer wait times at airports. Arrive early and allow for extra time for security and check-in.
• Stay Informed: Follow airlines and airports on social media for the latest updates, as they often provide faster notifications.

Conclusion

With flight cancellations affecting a wide range of routes, including those operated by United Airlines, Alaska Airlines, SkyWest, and Air Canada, travelers are facing an uncertain and frustrating holiday season. The cancellations, driven by weather conditions, operational difficulties, and airport congestion, highlight the challenges airlines are facing in maintaining flight schedules. Passengers are urged to stay informed, be flexible, and plan ahead to mitigate the impact of these disruptions. For those whose travel plans have been disrupted, it is important to take proactive steps to rebook or find alternative solutions.

Source:- FlightAware and Different Airports

Image Credit:- United Airlines/ Alaska Airlines/ SkyWest Flights/ Air Canada