Flights Cancelled Across USA As Miami, Los Angeles, And Other Airports Face 119 Cancellations And 2,249 Delays

Flight operations across the USA are facing 2,249 delays and 119 cancellations today, with Southwest, American Airlines, Delta Air Lines, United, Alaska Airlines, and Republic among the carriers experiencing notable disruptions. Boston, Miami, Los Angeles, Denver, San Diego, and other major aviation hubs are seeing passengers contend with delayed and cancelled flights.

What US Travelers Need to Know Today

• Boston Logan is recording 263 delays and 45 cancellations.
• Miami is facing 170 delays and 5 cancellations.
• Los Angeles is recording 126 delays and 4 cancellations.
• Denver is recording 125 delays and 3 cancellations.
• Southwest is facing 365 delays and 4 cancellations.
• American Airlines is facing 339 delays and 4 cancellations.
• The FAA is reporting departure delays at San Diego and Teterboro.
• The FAA is reporting ground delays at Boston Logan due to runway construction.

Major USA Airports Where Passengers May Encounter Disruptions

Boston Logan

Boston Logan is recording 263 delays and 45 cancellations, creating notable schedule changes for passengers traveling through Boston. The FAA is reporting a ground delay at the airport due to runway construction, with an average delay of 74 minutes. Departing flights are recording a 14% delay rate, while arriving flights are recording a 26% delay rate.

Miami

Miami is recording 170 delays and 5 cancellations. Passengers departing from or connecting through Miami should check their flight status before traveling to the airport and remain alert for schedule changes. Departing flights are recording a 16% delay rate, while arriving flights are recording a 13% delay rate.

Los Angeles

Los Angeles has 126 delays and 4 cancellations. Travelers using the major California gateway may need to allow additional time for their journeys as delayed flights affect departure schedules. Departing flights are recording a 6% delay rate, while arriving flights are recording a 9% delay rate.

Denver

Denver is recording 125 delays and 3 cancellations. Departing and arriving flights are both recording a 6% delay rate.

San Diego

San Diego has 84 delays and 1 cancellation. The FAA is reporting departure delays linked to volume and compacted demand, with the average delay at 15 minutes and increasing.

Newark Liberty

Newark Liberty is recording 50 delays and 6 cancellations. Departing flights are recording a 4% delay rate, while arriving flights are recording a 4% delay rate.

John F Kennedy

John F Kennedy has 64 delays and 7 cancellations. Travelers using the New York hub should monitor airline updates as departure schedules can change during the operating day. Departing flights are recording a 4% delay rate, while arriving flights are recording a 6% delay rate.

Anchorage

Anchorage is recording 40 delays and 8 cancellations. Passengers traveling through Alaska’s major aviation gateway should keep their flight information readily available and check for updates. Departing flights are recording a 4% delay rate, while arriving flights are recording a 10% delay rate.

Airlines With Notable Flight Delays and Cancellations

Southwest

Southwest is facing 365 delays and 4 cancellations, meaning passengers traveling with the carrier should pay close attention to departure updates and potential changes to their itineraries.

American Airlines

American Airlines is facing 339 delays and 4 cancellations. Travelers booked on the carrier should check their flight status regularly, particularly when connecting through USA airports.

Delta Air Lines

Delta Air Lines is facing 290 delays and 6 cancellations.

United

United is facing 176 delays and 15 cancellations.

Alaska Airlines

Alaska Airlines is facing 97 delays and 12 cancellations.

Republic

Republic is facing 60 delays and 24 cancellations.

What Passengers Should Do When Their Flight Is Cancelled

• Check the airline’s website or app for the latest flight status.
• Contact the airline about available rebooking options.
• Review the carrier’s cancellation and rebooking policies.
• Check whether an alternative flight has already been assigned.
• Keep booking confirmations and boarding information accessible.
• Confirm baggage arrangements after receiving a replacement itinerary.
• Check connecting flights if a cancellation affects an onward journey.
• Allow additional time for airport procedures when traveling on a replacement flight.

Reasons Behind Flight Cancellations In The USA

Flight cancellations across the USA can result from a range of operational factors, including aircraft availability, crew scheduling, airport congestion, weather conditions, air traffic management restrictions, runway work, and changes in traffic volume.

At Boston Logan, the FAA is reporting runway construction as the reason for the ground delay. At San Diego, departure delays are associated with volume and compacted demand, while Teterboro is also experiencing departure delays linked to volume.

These conditions can affect departure schedules throughout the day, making it important for passengers to monitor airline and airport updates before traveling.

Yesterday, flight disruptions also resulted in a notable number of cancellations. Read our previous report here.

The figures presented in this report were compiled by our editorial team from live aviation information captured on 29 September 2026 at 3:50 pm ET USA.

Primary Source: FlightAware.

Editorial Verification: Our human editorial team independently checked and cross-referenced the reported figures. Timestamped records, tracking logs, and feed snapshots have been retained internally to maintain historical accuracy and editorial transparency.

Please note that live flight-tracking information represents conditions across active airspace and ongoing airline operations. Small differences may occur between these figures and the information shown at airport terminals or individual airline gates.

Passengers should confirm the latest flight status, schedule adjustments, and operational information directly with their airline and airport before traveling.

Verified by Paramita Sarkar