Flights Cancelled Around USA As 2,904 Delays And 113 Cancellations Across San Diego, Portland, And More Airports Disrupted Travel

Written By: Ryan Rashid

Ryan Rashid

Ryan Rashid covers the travel and aviation industry with a focus on the disruptions, industry shifts, and operational changes that shape how people actually travel. An English graduate from Calcutta University, he pairs sharp writing instincts with a solid grip on what makes a story travel online. He keeps a close eye on what's trending and what's about to, so stories land while they still matter. Underneath the fast pace, there's always solid research and clean editing holding it together.

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September 12, 2026 00:42 GMT+5:30

Flight cancellations continued across the USA, with 2,904 delays and 113 cancellations within, into, or out of the country today. Southwest, United, Alaska Airlines, and Horizon are among the carriers with notable disruption figures, while airports including Hartsfield-Jackson Atlanta, San Diego, San Francisco, Boston Logan, and Seattle-Tacoma are also seeing flight interruptions.

Key Takeaways

• Hartsfield-Jackson Atlanta is facing 335 delays and five cancellations.
• San Diego is seeing 299 delays and nine cancellations.
• Southwest is facing 682 delays, the largest delay count among US airlines.
• Miami is experiencing an average 116-minute ground delay because of a disabled aircraft on the runway, according to the FAA.
• Boston Logan is experiencing an average 75-minute ground delay linked to runway construction.
• Thunderstorms are contributing to an average 30-minute and increasing departure delay at Atlanta.

Airports Where Travelers May Face Longer Waits

Hartsfield-Jackson Atlanta

Travelers passing through Hartsfield-Jackson Atlanta are facing 335 delays and five cancellations. The FAA reported an average 30-minute departure delay at Atlanta, with the delay increasing because of thunderstorms. For flights departing Hartsfield-Jackson Atlanta, 14% are delayed, while 14% of flights arriving there are delayed.

San Diego

San Diego is recording 299 delays and nine cancellations, making it one of the airports where passengers may need to allow additional time for their journeys. For flights departing San Diego, 1% are cancelled and 33% are delayed, while flights arriving there are seeing 1% cancellations and 41% delays.

San Francisco

San Francisco is facing 192 delays and three cancellations. The airport’s delay figure represents interruptions affecting flights within, into, or out of the USA. For flights departing San Francisco, 15% are delayed, while 16% of arriving flights are delayed.

Boston Logan

Boston Logan is recording 226 delays and five cancellations. The FAA is reporting an average 75-minute ground delay associated with runway construction, giving travelers another reason to check their flight status before heading to the airport. For flights departing Boston Logan, 15% are delayed, while 18% of arriving flights are delayed.

Seattle-Tacoma

Seattle-Tacoma is seeing 91 delays and 15 cancellations. The FAA is also reporting an average 15-minute departure delay that is increasing because of compacted demand. For flights departing Seattle-Tacoma, 5% are delayed, while 1% are cancelled and 6% are delayed for arriving flights.

Newark Liberty

Newark Liberty is recording 68 delays and 11 cancellations. Travelers using the New York-area airport may therefore want to check for schedule changes before leaving for the terminal. For flights departing Newark Liberty, 3% are delayed, while 1% are cancelled and 6% are delayed for arriving flights.

Portland

Portland is facing 40 delays and 13 cancellations. For flights departing Portland, 1% are cancelled and 4% are delayed, while 2% of arriving flights are cancelled and 7% are delayed.

Airlines Creating the Biggest Travel Concerns

Southwest

Southwest is facing 682 delays and nine cancellations. The carrier’s delay figure is the largest among US airlines, meaning passengers flying with Southwest should pay close attention to departure updates.

United

United Airlines is facing 188 delays and 12 cancellations. Travelers with United itineraries may want to monitor their flight status closely as airport conditions change.

Horizon (ASA)

Horizon recorded 42 delays and 28 cancellations. The cancellation figure represents a notable share of the carrier’s reported disruptions, making pre-departure checks especially important.

Alaska Airlines

Alaska Airlines is facing 79 delays and 23 cancellations. Passengers traveling on the carrier should check their itinerary for possible schedule changes before beginning their journey.

Steps Passengers Can Take When Flights Change

• Check the airline’s flight-status page before leaving for the airport.
• Allow additional time for check-in, security, and boarding.
• Keep important travel documents and confirmation details accessible.
• If a flight is cancelled, contact the airline promptly about available alternatives.
• Check baggage arrangements when a reservation is changed.
• Monitor airport and airline notifications for further updates.
• Avoid making separate non-refundable arrangements until the revised flight is confirmed.

Factors Behind Flight Cancellations Across the USA

FAA information currently points to several different operational pressures. Miami is experiencing ground delays connected with a disabled aircraft on the runway, while Boston Logan is dealing with runway construction. At Atlanta, thunderstorms are contributing to departure delays, while weather-related traffic-management initiatives are affecting departures at Orlando and Fort Lauderdale.

The Broader Picture of USA Air Travel Disruptions

The current USA flight picture shows that disruption levels can vary considerably from one airport and airline to another. Hartsfield-Jackson Atlanta is facing 335 delays, while San Diego is recording 299. San Francisco has 192 delays, and Boston Logan has 226, giving travelers at several major gateways reason to check their itineraries carefully.

Among carriers, Southwest is facing 682 delays, while United travelers are dealing with 188. Alaska Airlines is seeing 79 delays and Horizon is facing 42. Their cancellation figures also differ, with United at 12, Alaska Airlines at 23, Horizon at 28, and Southwest at nine.

The situation also extends beyond the largest hubs. Seattle-Tacoma is recording 91 delays and 15 cancellations, while Newark Liberty has 68 delays and 11 cancellations. Portland is seeing 40 delays and 13 cancellations, and Daniel K. Inouye has 36 delays and 11 cancellations.

For passengers traveling through the USA today, the combination of airport-level delays, cancellations, weather-related restrictions, runway work, and operational issues means flight conditions can change during the journey. Checking directly with the airline before departure remains an important step for travelers.

Yesterday, the USA recorded 164 cancellations and 2,689 delays. Read the full coverage here.

The data has been extensively curated by our editorial team using real-time aviation figures recorded on 11 September 2026 at 2:24 pm ET USA

Primary Source: FlightAware.

Verification Protocol: All statistics have been independently reviewed and cross-checked by our human editorial desk. Timestamped records, data logs and feed snapshots are securely archived internally to support historical accuracy and editorial transparency.

Note: Real-time flight-tracking figures reflect active airspace and operational data. Minor variations may occur when compared with information displayed at individual airport terminals or airline departure gates.

Travellers are advised to check directly with their respective airlines and airports for the latest flight status, schedule changes and operational updates. 

Verified by Rana Pratap