Flights Cancelled Across United States As Chicago, Washington, And Other Major Airports Cancel 275 And Delay 4,218

Flight cancellations intensified across the United States today, with 4,218 delays and 275 cancellations reported. Chicago O’Hare is the hardest-hit airport, with 1,055 delays and 175 cancellations, while Southwest is facing the heaviest delays. SkyWest, American Airlines, Republic, and Envoy Air are also facing disruptions. Other affected airports include Boston Logan, San Francisco, Philadelphia, Seattle-Tacoma, Baltimore/Washington, LaGuardia in New York, Harry Reid in Las Vegas, Newark Liberty, Reagan National in Washington, D.C., Fort Lauderdale, Dallas-Fort Worth, Indianapolis, Westchester County, Nantucket Meml, and Chicago Midway.

Key Developments Across US Airports and Airlines

• Chicago O’Hare is facing 1,055 delays and 175 cancellations, making it a major point of concern for travelers.
• Southwest is dealing with 893 delays and 38 cancellations across its operations.
• Boston Logan has recorded 327 delays and nine cancellations, with runway construction affecting ground operations.
• San Francisco has 287 delays and two cancellations, with low ceilings contributing to ground delays.
• Philadelphia is facing 176 delays and four cancellations, while thunderstorms are affecting departures.
• SkyWest is seeing 332 delays and 66 cancellations.
• Chicago Midway has recorded 176 delays and 29 cancellations.
• American Airlines is facing 524 delays and 21 cancellations.

Airports Across the United States Seeing Notable Flight Disruptions

Chicago O’Hare

Chicago O’Hare is facing the largest disruption among the airports, with 1,055 delays and 175 cancellations. The FAA is also reporting ground delays averaging 126 minutes, with thunderstorms affecting operations. For flights originating at Chicago O’Hare, cancellations are at 6% and delays at 33%, while for flights arriving at Chicago O’Hare, cancellations are at 6% and delays at 38%.

Boston Logan

Travelers using Boston Logan are facing 327 delays and nine cancellations. The FAA reports ground delays averaging 136 minutes, with runway construction contributing to longer operating times. For flights arriving at Boston Logan, delays are at 25%.

San Francisco

San Francisco has recorded 287 delays and two cancellations. The FAA reports ground delays averaging 77 minutes because of low ceilings, which are affecting airport operations.

Philadelphia

Passengers traveling through Philadelphia are facing 176 delays and four cancellations. The FAA reports departure delays averaging 165 minutes and increasing, with thunderstorms cited as the cause. For flights arriving at Philadelphia, delays are at 13%.

Seattle-Tacoma

Seattle-Tacoma is seeing 138 delays and three cancellations. The airport’s disruption is affecting travelers across departing and arriving services, according to the reported airport figures. For flights arriving at Seattle-Tacoma, delays are at 8%.

Baltimore/Washington

At Baltimore/Washington, travelers are facing 129 delays and five cancellations. The FAA reports departure delays averaging 15 minutes and increasing, with thunderstorms affecting operations. For flights arriving at Baltimore/Washington, delays are at 15%.

LaGuardia

LaGuardia has recorded 126 delays and four cancellations. The FAA reports departure delays averaging 15 minutes and increasing, linked to traffic-management initiatives, swaps, and weather. For flights arriving at LaGuardia, delays are at 11%.

Harry Reid

Passengers at Harry Reid are facing 138 delays and four cancellations. The FAA reports departure delays averaging 30 minutes and increasing, with wind affecting operations. For flights arriving at Harry Reid, delays are at 8%.

Newark Liberty

Newark Liberty has recorded 89 delays and one cancellation. The FAA reports departure delays averaging 15 minutes and increasing, with traffic-management initiatives, swaps, and weather contributing to the delays.

Reagan National

Travelers through Reagan National are facing 167 delays and three cancellations. The FAA reports departure delays averaging 30 minutes and increasing, linked to traffic-management initiatives, swaps, and weather. For flights arriving at Reagan National, delays are at 15%.

Fort Lauderdale

Fort Lauderdale has recorded 143 delays and one cancellation. The FAA reports departure delays averaging 30 minutes and decreasing, with thunderstorms affecting flights.

Dallas-Fort Worth

At Dallas-Fort Worth, passengers are facing 219 delays and five cancellations. The airport remains one of the busier points for flight disruption among the major U.S. hubs included in today’s figures. For flights arriving at Dallas-Fort Worth, delays are at 10%.

Chicago Midway

Passengers at Chicago Midway are facing 176 delays and 29 cancellations. Together with conditions at nearby Chicago O’Hare, the Chicago area is seeing significant disruption today. For flights originating at Chicago Midway, cancellations are at 5% and delays at 28%, while for flights arriving at Chicago Midway, cancellations are at 2% and delays at 19%.

Major Airlines Requiring Extra Attention From Travelers

SkyWest

SkyWest is facing 332 delays and 66 cancellations, making its operations a key consideration for travelers with flights operated by the carrier today. Passengers should check their flight status regularly for schedule changes.

Southwest

Southwest is facing the heaviest delay pressure among the airlines, with 893 delays and 38 cancellations. Travelers booked on the airline may need to allow additional time for changing departure schedules.

Republic

Republic is facing 138 delays and 34 cancellations. Passengers traveling on its services should keep track of airline notifications and airport departure information.

Envoy Air

Envoy Air is facing 157 delays and 31 cancellations. Travelers may encounter changes to departure times as operations continue across affected routes.

American Airlines

American Airlines is facing 524 delays and 21 cancellations. Passengers using the carrier, particularly through busy hubs such as Dallas-Fort Worth and Philadelphia, should monitor updates before traveling.

Steps Passengers Can Take When Flights Change

• Check the airline’s website or mobile app for the latest departure and cancellation information.
• Contact the airline promptly when a flight is cancelled to review available rebooking options.
• Arrive at the airport with additional time when departure delays are already being reported.
• Keep boarding passes, booking details, and important travel documents readily available.
• Check connecting-flight arrangements when a delayed first segment could affect the rest of the journey.
• Follow airport and airline notifications for gate, departure-time, and itinerary changes.

Weather and Airport Operations Behind the Flight Disruptions

FAA reports point to a combination of weather conditions, traffic-management measures, and airport infrastructure work behind delays at several major locations in the United States.

At San Francisco, low ceilings are contributing to ground delays averaging 77 minutes. Philadelphia, Fort Lauderdale, and Baltimore/Washington are dealing with thunderstorms affecting departure operations, while Chicago O’Hare is also experiencing ground delays linked to thunderstorms.

At LaGuardia, Newark Liberty, and Reagan National, the FAA reports that traffic-management initiatives, swaps, and weather are contributing to departure delays. Harry Reid is dealing with wind-related delays.

Meanwhile, Boston Logan is reporting ground delays connected to runway construction, with an average delay of 136 minutes. These FAA-reported conditions are adding to the pressure on flight operations across the United States.

What Travelers Need to Know About Today’s US Flight Disruptions

Flight disruption is affecting several major travel hubs across the United States, with Chicago O’Hare and Boston Logan among the airports facing notable operational pressure. San Francisco and Philadelphia are also seeing substantial numbers of delays, while Chicago Midway, Seattle-Tacoma, Dallas-Fort Worth, and Reagan National are also requiring travelers to watch for schedule changes.

Among the airlines, Southwest is facing 893 delays, while American Airlines is dealing with 524 and SkyWest with 332. Republic and Envoy Air are also seeing disruptions that could affect passenger itineraries.

For travelers departing from Chicago O’Hare, Chicago Midway, Boston Logan, San Francisco, or Philadelphia, checking flight status before leaving for the airport is particularly important. With thunderstorms, wind, low ceilings, traffic-management measures, and runway construction affecting different parts of the United States, schedules may continue to change throughout the day.

The data has been extensively curated by our editorial team using real-time aviation figures recorded on 17 September 2026 at 1:41 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